ENG dreamcut USER MANUAL © 2019 Mr Beam Lasers GmbH | Munich, 01 November 2019 | Revision 1.
WELCOME TO THE MR BEAM COMMUNITY Finally, your Mr Beam II dreamcut stands before you, ready to help you with the implementation of your creativity! In the last couple of years we have worked hard for this moment and put a lot of heart and soul into development and production. With the hashtag #madewithmrbeam, you will find inspiration from other members of the Mr Beam Community. Of course we would also be pleased if you share your creations on social media and tell your friends about them, too.
TABLE OF CONTENT 01 WELCOME Using this User Manual........................................................................................ 2 Mr Beam............................................................................................................... 3 02 SAFETY & CONFORMITY Precautionary Measures...................................................................................... 6 Safety Precautions when Operating Mr Beam..................................................... 8 Laser Safety.....
TABLE OF CONTENT Connecting to a Computer/Tablet...................................................................... 36 Option 1 Connection via Router.......................................................................... 37 Option 2 Direct Connection................................................................................ 42 05 SOFTWARE MR BEAM LASERBENCH Mr Beam Laserbench......................................................................................... 46 Software Update.............
Chapter 01 W E L C O M E We are delighted that you have opted for a Mr Beam! Please read this manual completely, even though you may already be familiar with some functions.
USING THIS USER MANUAL Warning: These operating instructions must be carefully read and observed before using Mr Beam for the first time. Non-observance of individually listed points in the instructions manual can cause personal injury and/or property damage! No part of this manual may be reproduced, edited or otherwise modified in any form without the prior written consent of Mr Beam Lasers GmbH. The rights for reproduction in any form, in particular in electronic, print and other media, are reserved.
MR BEAM Your Mr Beam is designed for contactless cutting and engraving of various materials. With the help of laser light, heat is generated selectively to evaporate, melt or burn materials. This thermal process can be used to make cuts and engravings on flat materials. Due to its high precision, the process is suitable for cutting out complex shapes and engraving delicate designs. Manufacturer Mr Beam Lasers GmbH Gollierstr.
Chapter 02 SAFETY & CONFORMITY Please note that this chapter is particularly important. Your Mr Beam can only work safely if you pay attention to all aspects of it.
PRECAUTIONARY MEASURES Safety-conscious working with Mr Beam The entire user manual, in particular Chapter 2 „Security & Conformity“, must be read and understood by any person performing the installation, commissioning, use, maintenance and/or repair of Mr Beam. If several persons work with Mr Beam, the proprietor or, if appropriate, the owner or another person responsible for access to the device, has the responsibility to ensure that all users are familiar with the safety regulations of the device.
PRECAUTIONARY MEASURES All safety instructions listed below must be followed by each user: • • • • • • Any way of working that compromises the safety of Mr Beam should be avoided. The user is obliged to exclude the commissioning of Mr Beam by unauthorized persons (e.g. by operating devices against unauthorized use and/or by removing the key) The socket must be easily accessible and in the immediate vicinity of the device. In an emergency, the main plug and the key must be disconnected immediately.
SAFETY PRECAUTIONS WHEN OPERATING MR BEAM Opening the lid during a laser job When the protective cover is lifted or opened, the power supply to the laser is interrupted immediately. Opening the lid during a laser job can lead to an incomplete work result, such as an incomplete engraving. If possible, we recommend not to interrupt a laser job. Since vapors can escape when the lid is opened during a laser job, first press the button to activate pause mode.
SAFETY PRECAUTIONS WHEN OPERATING MR BEAM Warning: The processing of conductive materials (e.g. carbon fibers) releases dust particles and smoke, which can lead to lasting damage to components and/or electronics (e.g. short circuits). Processing conductive materials will void the warranty. Materials containing chlorine, such as PVC, release corrosive vapors during processing, which can damage components. The use of such materials, will result in the exclusion of the warranty.
LASER SAFETY To assess the potential hazards of laser systems, they are divided into eight safety classes: 1, 1C, 1M, 2, 2M, 3R, 3B and 4. Mr Beam is a class 1 laser. This is guaranteed by its enclosed protective housing and its safety devices. In this protective housing, your Mr Beam works with a laser source that emits an intense and visible laser light. The accessible laser light is very dangerous to the eye (complete loss of eye sight) and very dangerous to the skin (risk of burning).
WARNINGS AND INSTRUCTION SIGNS All warning and information signs attached to your Mr Beam are located in places that may be a source of danger before and/or during operation. Damaged or lost warning and information signs must be replaced immediately. The missing warning and information signs can be ordered via Mr Beam Support (www.mr-beam.org/ticket) or replicated using the templates on the following page. On the device: On the laser head: Year of production: 20XX Mr Beam incorporates a RF module.
WARNINGS AND INSTRUCTION SIGNS The templates for the replication of the warning and information signs can be found on this page. Print this page in DIN A4 format so that the warning and information signs correspond to their original size.
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INTENDED USE Your Mr Beam was developed for contactless cutting and engraving of various materials. These includes wood, acrylic, cardboard, paper, leather, selected plastics, anodized aluminum, etc. For a list of approved and tested materials and thicknesses, please visit: www.mr-beam.org/en/materials/ For safety reasons, only materials approved by Mr Beam Lasers GmbH are approved for processing in your Mr Beam.
EU DECLARATION OF CONFORMITY (GERMAN) This copy of the declaration of conformity is from 03.05.2019. The latest version of the declaration of conformity can be found in the latest version of the user manual. This can be downloaded from: www.mr-beam.
Chapter 03 COMPONENTS OVERVIEW The following chapter gives you an overview of the various components and connections of your Mr Beam.
SCOPE OF MR BEAM DELIVERY WITH AIR FILTER SYSTEM Laser head Mr Beam 2 keys Focus Tool Cable Mr Beam Air Filter System Power cable Power supply Air Filter System Ventilation hose Page 18 2 screws 2 washer Suction socket Mr Beam Air Filter System 03 - Components Overview
SCOPE OF MR BEAM DELIVERY WITHOUT AIR FILTER SYSTEM Laser head Mr Beam 2 keys Focus Tool Ventilation hose 2 screws 2 washer Suction socket with fan Power cable Power supply For indoor use we recommend a Mr Beam Air Filter System. If you Air Filter System 03 - Components Overview don‘t have one yet, order it now from our shop at store.mr-beam.
OVERVIEW MR BEAM Camera Guide bar Laser head Working area Button Suction socket Page 20 Status light 03 - Components Overview
CONNECTIONS AIR FILTER SYSTEM Network connection (Ethernet) 03 - Components Overview Page 21
BUTTON The button is a push button on the top of Mr Beam. It is assigned several functions, which are explained below. Note: The status light also lights up in the shut down state. Turning on After the key is inserted into the key switch and turned clockwise, briefly press the button. The light of the laser head is switched on immediately and after 10 seconds the Status Lights are also switched on.
CAMERA In the lid of your Mr Beam is a camera, which supports you in positioning the design on the workpiece. As soon as the lid is completely open, the camera automatically takes an image of the working area and the workpiece lying on it. This is then displayed on the Mr Beam Laserbench with a few seconds delay. The image taken by the camera shows the workpiece on the working area, i.e. you can virtually place the selected design directly on the workpiece for subsequent processing.
STATUS LIGHT MEANINGS The status light indicates different operating states of Mr Beam. Note: The signals listed here are in beta stage and can change with software updates. Breathing orange Gain access to your Mr Beam via find.mr-beam.
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Chapter 04 SETUP PROCEDURE Your Mr Beam is now ready for first use! In the following chapter we will guide you from unpacking to setting up a network connection. While setting up your Mr Beam, remember, that it was assembled and packaged with great care by us. Please take time to unpack and set it up just as carefully.
POSITIONING Please note the following positioning guidelines before setting up your Mr Beam: • • • • • • • • • • • • • • Working temperature between 0°C and 25°C (32°F and 77°F) No high temperature fluctuations Use only in closed rooms, contact with moisture must be avoided Humidity between 30% and 60% with no condensation Dust-free environment No strong exposure to sunlight (sun protection measures) No mechanical shocks Sufficient air circulation Flat/horizontal work surface A save stand of the device m
UNPACKING 1. Opening the box Place the carton on a flat surface. To open the box please do not use sharp objects that can damage the protective cover. Then pull out the inner box with the laser head and put it aside. 2. Removal from carton Take Mr Beam out of the carton and remove the transport protection on both sides 3. Removing the transport lock Remove the transport lock inside the device.
LASER HEAD CONNECTION 1. Mount the laser head The laser head can be mounted at different heights, see Chapter 6 „Working with your Mr Beam“. First, mount the laser head in any position at the bottom. Then slightly compress the carriage and engage the laser head at the top. 2. Insert the ribbon cable Now insert the ribbon cable into the socket on the back of the laser head. If necessary, extend the black bar beforehand. Finally insert the hose as well (only in the “dreamcut“ modell).
Detailed explanation An explanation with video on the topics „Unpacking“, „Laser Head Connection“ and „Suction/Air Filter System Connection“ can be found online at: https://youtu.
SUCTION/AIR FILTER SYSTEM CONNECTION 1. Suction socket connection Connect the suction socket to the free end of the ventilation hose. Note: The ventilation hose is fitted with a left-hand thread. 2. Connect to Mr Beam Attach the suction socket to your Mr Beam using the two screws and washers provided. Then connect the ventilation hose to your Mr Beam. AIR LTER FI SYSTEM 3.
SUCTION/AIR FILTER SYSTEM Warning: Your Mr Beam must be connected to a working suction each time it is used, as processed materials are vaporized by Mr Beam during laser operations. Burn odors and vapors are therefore produced during operation. Please make sure that Mr Beam is operated exclusively with the appropriate suction. In the following, the suction is described with two versions, the Suction System and the Mr Beam Air Filter System.
POWERING ON 1. Plug in the power cable To avoid static charges that could destroy your computer and/or Mr Beam, please connect the AC adapter to your Mr Beam before plugging in the AC adapter into a socket (100-240V ~, 1.5A 50- 60Hz). AIR FILTER SYSTEM 2. Insert key To prevent your Mr Beam from being switched on accidentally, it is switched on/off with the help of a key switch. Insert the key into the key switch (horizontal key position with „nose up“).
POWERING OFF 1. Shut down To properly turn off your Mr Beam after work, please shut it down first. You shut down your Mr Beam via the Mr Beam Laserbench software ( ->Shutdown system) or by pressing the button for five seconds. The Status Lights turn red immediately and after 15 seconds the whole system shuts down. Note: The status light also lights up in the shut down state. 2. Turn off To turn off your Mr Beam, turn the key counterclockwise.
CONNECTING TO A COMPUTER/TABLET To operate Mr Beam and to laser files, Mr Beam must be connected to a computer/tablet. Please install the latest version of Google Chrome on the computer/tablet, as other browsers may occasionally restrict the functionality. Depending on the technical data of the computer/tablet used, different processing times may result. Note: Using a more powerful computer/ Tablet will produce and display graphics faster and reduce computing and data transfer time to your Mr Beam.
OPTION 1 CONNECTION VIA ROUTER There are two different options for connecting Mr Beam via router: Option 1.1 Mr Beam -> WiFi -> router -> WiFi/network cable -> computer/tablet Option 1.2 Mr Beam -> network cable -> router -> WiFi/network cable -> computer/tablet Note: When using an network cable, it must be shielded and not longer than 1.5 meters (4.9 feet).
OPTION 1.1 CONNECTION VIA ROUTER AND WIFI Turn on Mr Beam Turn on your Mr Beam and wait for 60 seconds. Name: MrBeam-XXXX S/N: 0000000XXXXXXXXX-2X on Vor Beginn von Reinigungs- und Wartungsarbeiten das GerŠt immer ausschaltenunddenNetzsteckerzi ehen. WiFi access point Your Mr Beam will now start a WiFi access point named MrBeam-XXXX. XXXX stands for your specific device name, which is located on the back of your Mr Beam and will be used severally in the following. Laser Klasse 1 , .
OPTION 1.1 CONNECTION VIA ROUTER AND WIFI Connecting to your Mr Beam Enter find.mr-beam.org or mrbeam-XXXX.local into your Google Chrome browser to connect to your Mr Beam. If you are connected directly to your Mr Beam via WiFi, it can also be accessed via the following IP address: 10.250.250.1 Mr Beam Welcome Dialog Your Mr Beam will now guide you through the Mr Beam Welcome Dialog. Please have your personal WiFi password and name ready.
OPTION 1.2 CONNECTION VIA ROUTER AND NETWORK Turn on Mr Beam Turn on your Mr Beam and connect it to your router via network cable (Ethernet). The network socket is located next to the power socket. Then wait 60 seconds. Name: MrBeam-XXXX S/N: 0000000XXXXXXXXX-2X on Vor Beginn von Reinigungs- und . Wartun gsarbeiten das GerŠt immer ausschalten und den Netzstecker ziehen .
OPTION 1.2 CONNECTION VIA ROUTER AND NETWORK Connecting to your Mr Beam Enter find.mr-beam.org or mrbeam-XXXX.local into your Google Chrome browser to connect to your Mr Beam. On a Windows PC, you can also access your Mr Beam via the network. Mr Beam Welcome Dialog In the browser, your Mr Beam will guide you through the Welcome Dialog. Optionally, you can integrate Mr Beam into your WiFi. Have your personal WiFi password ready for this.
OPTION 2 DIRECT CONNECTION Turn on Mr Beam Turn on your Mr Beam and wait for 60 seconds. Name: MrBeam-XXXX S/N: 0000000XXXXXXXXX-2X on Vor Beginn von Reinigungs- und Wartungsarbeiten das GerŠt immer ausschaltenunddenNetzsteckerzi ehen. . Š tigkeiten Wartun gs- und Inspektionst dŸrfen nur im ausgeschalteten Zustand von geschultem Personal fŸhrt werden durchge WiFi Access Point Your Mr Beam will now start a WiFi access point named MrBeam-XXXX.
OPTION 2 DIRECT CONNECTION Connecting to your Mr Beam Enter find.mr-beam.org or mrbeam-XXXX.local into your Google Chrome browser to connect to your Mr Beam. If you are connected directly to your Mr Beam via WiFi, it can also be accessed via the following IP address: 10.250.250.1 Note: A direct connection via network cable is not supported.
Chapter 05 S O F T WA R E M R B E A M LASERBENCH Thanks to the integrated camera and the intuitive user interface, anyone can quickly learn how to operate Mr Beam. The following chapter explains the Mr Beam software (Mr Beam Laserbench) in detail.
MR BEAM LASERBENCH Continue to Laser Job Parameters Working area Upload and select a design When the lid of Mr Beam is open, a live image of the working area is shown here. Double-click anywhere to move the laser head to the selected position. 1. File upload Now switch to the workspace „Design Library“. Under „Upload“, you can select or drag&drop a file into the browser window. Files with the extensions .dxf, .svg, .g, .gco, .gcode, .gif, .jpe, .jpeg, .jpg, .bmp, .nc, .pcx, .png, .webp can be uploaded.
MR BEAM LASERBENCH 2. Positioning Once a file has been selected, it can be placed in the workspace on the workpiece. Use the arrows to scale and rotate the graphic. Click on „Laser“ in the upper left corner to access Laser Job Parameters. 3. Laser Job Parameters Select the material you have inserted. Depending on the material, colour and thickness of the material can be selected. The default values can then be manually adjusted. 4.
MR BEAM LASERBENCH 5. Additional settings The „Laser Intensity Range“ describes the range of the gray levels displayed in an engraving, while „Engraving Speed Range“ describes the speed at which gray values are engraved. When cutting materials, „Laser Intensity“ represents the power, „Laser Speed“ the speed and „Passes“ how often the contour is cut. Further explanations can be found under the menu item „show explanations“. 6. Transmission Click on „Start“ to prepare the laser job for Mr Beam. 7.
SOFTWARE UPDATE A software update requires an active internet connection. Follow Chapter 4 „Setup Procedure“ to establish an appropriate connection to your Mr Beam and the internet. When a software update is available, a message appears on the Mr Beam Laserbench at the upper right corner. To start the software update, click on „Update now“. Your Mr Beam will install the software update automatically and then shutdown. You can now reboot your Mr Beam using the key.
Chapter 06 WORKING WITH YOUR MR BEAM After the introduction to Mr Beam Laserbench, now the first steps in material selection, suction and focusing follow.
FOCUSING Focusing the laser head is required to achieve optimal results with your Mr Beam. Since the laser light leaves the laser head in a cone shape, there is only one point at which it is bundled to the maximum, the focus point. In this point your Mr Beam has the maximum performance and highest precision. Therefore, the focus point should be at the height of the material to be processed. To do this, the laser head must be manually adjusted to the material height.
FOCUSING 0-16mm (0-0.6 inch) 8-24mm (0.3-0.9 inch) 12-30mm (0.5-1.2 inch) 20-38mm (0.8-1.5 inch) 1. Position the laser head Move the laser head over the material by double-clicking on the working area. 2. Coarse focusing The laser head can be mounted at four different positions for coarse focusing. 3. Precision focusing Open the screw on the left side of the laser head to move it up and down. 4. Positioning focus tool Place the focus tool on the material and the cross under the laser head. 5.
MATERIALS & SIZE OF WORKPIECE As already described in Chapter 2 „Safety & Conformity“, hazardous vapors can be generated during laser cutting of certain materials. Therefore, it is particularly important to process only materials that have been declared suitable by Mr Beam Lasers GmbH. An updated list of materials can be found online at the following link: www.mr-beam.org/en/materials/ Maximum size of workpiece The maximum size of the workpiece is 500 x 390 x 38 mm (19.7 x 15.4 x 1.
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Chapter 07 MAINTENENCE & CARE Regular maintenance and care is essential to ensure that your Mr Beam functions correctly and permanently. The following chapter contains information on proper cleaning.
REGULAR MAINTAINANCE & CARE Regular maintenance and care is necessary in order to maintain the high quality results of your Mr Beam. In addition, depending on the application and materials used, regular general cleaning is necessary. Always turn off the unit and disconnect the power plug before commencing cleaning and maintenance work. Improper handling of chemicals can cause damage to property and personal injury for which the user alone is liable.
CLEANING LASER HEAD The dirt residue from cutting through different materials gets inside the laser head, which leads to heating up and scorching of these dirt particles on top of the laser lens. Additionally, the air cannot circulate properly inside the laser head casing, which affects the overall performance. The laser head should be cleaned after approx. 100h of service, however this is just a rough guide value. The best indicator is a considerable decline in the cutting power of the laser.
CLEANING LASER HEAD 1. Switch off Mr Beam Switch off Mr Beam and plug it off. Allow the laser head to rest for at least 2 minutes before proceeding with the next step, to ensure that the laser unit is fully discharged. 2. Move laser head If the laser head is in the Home Position of the working area, pull it into the centre by (a) gently moving the x-axis and (b) pulling the laser head into the middle. This way you will have a better grip of the laser head. 3.
CLEANING LASER HEAD 4. Unplug cable Unplug both the cable and the hose (only in ”dreamcut” model) in the back of the laser head by gently pulling it out. 5. Remove screws Remove two screws on the back of the laser head, using a 2mm Allen key. Carefully take the laserhead apart. 6. Laser head components 1. Laser front 2. Laser module 3. Copper block with laser 4. Fan 5.
CLEANING LASER HEAD 7. Pull cable off Carefully pull the cables of the fan off, but make sure to get hold of the white pin jack, don’t pull on the entire socket or directly on the cables, or they might tear! 8. Clean heat sink Use a hand vacuum cleaner with a brush and clean all rilles as well as the recess for the laser channel thoroughly. Warning: Make sure to wear gloves while cleaning or wash your hands thoroughly at the end of the cleaning process. Please put on a filter mask and safety glasses.
CLEANING LASER HEAD 9. Clean fan Vacuum off the dirt with a hand vacuum cleaner. Warning: Hold the fan wheel with one finger to prevent it from spinning while cleaning. Otherwise the fan will spin too fast from the vacuum cleaner’s air flow, and might break! 10. Clean laser module Vacuum off the dirt here as well. 11. Clean laser lens Wet one side of the cotton swab with a glass cleaner and carefully wipe the laser lense clean by making rotating movements with the swab.
CLEANING LASER HEAD 12. Clean laser front Vacuum off any dust particles. The laser front gets yellow and brown stains from cutting plywood. You can remove those easily by using a napkin and a glass cleaner to wipe the dirt off the laser front. 13. Plug in cables Plug the wires of the fan back into the socket on the laser module. It will only work in one position, but make sure the orientation of both parts matches. 14.
CLEANING LASER HEAD 15. Assemble laser head If it is not the case yet, screw the knurled nut on one side of the heat sink and then put both parts of the heat sink together. There should be no gaps between them. Note: Make sure the fan cables run on the outside of the heat sink when both sides are put together! Make sure the heat sink closes tightly! 16. Put laser front back on Put the laser front back on the laser head. Align the position of white threads with female screw threads of the laser head.
CLEANING LASER HEAD 17. Align holes Note: Please check that both rectangular holes pictured on the right are aligned to each other when the laser front snaps into place. There should be no overlays which make the opening for the laser channel smaller. 18. Tighten screws Put the screws on the back of the laser head back in place using an Allen-key. 19. Plug in cable Plug the white cable back into the black bracket of the laser head and insert the hose.
CLEANING LASER HEAD 20. Camera calibration Walk through the camera calibration with Mr Beam software. This will help align the camera image with the precise position of the laser head. Follow the instructions which you will find under menu > settings > Camera Calibration.
GENERAL CLEANSING General cleaning General cleaning is necessary at irregular intervals depending on the use of your Mr Beam and the degree of soiling. Please ensure cleanliness and clarity at and around the workplace of your Mr Beam. General cleaning includes all the above mentioned steps of regular maintenance and care. In addition, the base plate of Mr Beam is unscrewed to remove persistent dirt between the grid floor and base plate. To do this, follow the steps on the following page.
GENERAL CLEANSING 1. Loosen screws Shut down and switch off your Mr Beam. Then remove the air hose and all other connections to your Mr Beam. Place your Mr Beam with the front side on a stable table and place a cloth underneath to prevent scratches. Unscrew all screws at the bottom plate with a 2mm (5/64 inch) Allen key. Wear gloves at all work steps to avoid injuries. 2. Remove base plate Carefully remove the bottom plate. 3. Remove grid floor Carefully remove the grid floor.
FILTER CHANGE To ensure proper cleaning of the exhaust air by the Air Filter System, the pre-filter mat must be changed every 100 operating hours and the filter unit every 400 operating hours. A guidance can be found under Settings -> Exhaust System. Pre-filter mats and filter units are available on the Mr Beam Online Shop: www.mr-beam.org 1. Remove the protective cover Loosen the screws (1) and lift off the cover in the shown direction (2). 1 2 Air Filter System 2.
FILTER CHANGE 3. Check pre-filter mat Make sure that the pre-filter mat lies precisely on the new filter cartridge and that it covers the entire surface. 4. Insert filter Insert the new filter unit including the pre-filter. Air Filter System 5. Close housing Insert the cover (1) and close the housing and the cover with the two screws (2). Make sure the hose is properly connected to the Mr Beam Air Filter System after changing the filter.
REPAIRS Repair of Mr Beam by the user is not intended. To ensure that your Mr Beam is quickly ready for use again in the event of a malfunction, please contact customer service: www.mr-beam.
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Chapter 08 ADDITIONAL INFORMATION
TECHNICAL DATA Dimensions (approx.) Width/Depth/Height Weight 725 x 538 x 170 mm (28.5 x 21.2 x 6.7 inches) 9,5 kg (20.
STORAGE & TRANSPORT/SUPPORT Storage & transport The guidelines in Chapter 4 „Setup procedure“ must be observed for the following sub-items. In particular, the temperature and humidity must not be outside the specified range. Please keep the original packaging and upholstery. • • • Mr Beam Support If you need help resolving a problem, please do not hesitate to contact Mr Beam Support at any time: www.mr-beam.
DISPOSAL Disassembling, Dismantling Mr Beam can be disposed of as a complete device. You do not have to disassemble or dismantle the unit before disposal. Only the cables and ventilation hoses can be handed over separately from your Mr Beam to the electrical equipment collection unit. Please observe the relevant guidelines for your country. If disassembling or dismantling of the device is required, please contact Mr Beam Lasers GmbH.
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Chapter 09 GENERAL TERMS AND CONDITIONS
GENERAL TERMS AND CONDITIONS The current and valid general terms and conditions of Mr Beam Lasers GmbH can be found at: www.mr-beam.
CONTACT ADDRESSES Postal Adress Mr Beam Lasers GmbH Gollierstr. 70 80339 München Germany Mr Beam Support www.mr-beam.org/ticket Instagram instagram.com/mrbeamlasers/ YouTube youtube.com/c/MrBeamLasers Facebook facebook.com/mrbeamlasercutter/ Twitter twitter.com/MrBeamLasers We reserve the right for errors and alterations.
© 2019 Mr Beam Lasers GmbH | Gollierstraße 70 Munich | info@mr-beam.org | www.mr-beam.
