by merlinjim, published
A Unicorn-compatible mount for the same laser pointer as in the LAZOR mount thing.
The LAZOR mount is technically an ancestor of this design, as I used that base as a starting point when designing this.
Includes a mount for a micro servo and a flag to block the laser beam. This should be compatible with the unicorn firmware & hookup. I haven't assembled yet, but I think the pen down angle will be 60 and the pen up angle will be 0.
Only printable on a MENDEL!!!! The base is 14+ cm wide! Also, it'll print much better with the smaller features on a stepstruder!
UPDATE: we test mounted this at my local makerbot club's meeting this Monday. The mounting holes are a little too close for the makerbot z-stage, we ended up using some tape to do the test. Will change and update in the near future, in the meantime I can confirm this works!
Smoking's bad for you. And bad for your makerbot. But it sure did help me get the laser aimed here:
In action: http://www.youtube.com/watch?v=722YzYM8xuY
Print all parts.
Clean out bolt holes and slots with needle files.
Use 2x M3 to attach the tower to the base.
Slide the arm down the top of the laser till it seats in the rim.
Adjust the laser to burn a spot 1-3 cm in front of the lens
Use 1x M3 to attach the arm to the tower
Use 1x M3 to clamp the arm onto the laser
slide servo into slot, use the included self-tapping screws to secure it
(optional) attach servo to EC or an arduino and set the servo position to it's default pen up position (you can use my unicorn tester as a base for this, or just send a custom M-code to the EC for it)
Use the included screw to attach a servo arm
Attach the flag to the servo arm using (I don't have screws for this! They look like self-tapping M1x3?)
Mount assembly to makerbot z-stage
Use any software compatible with the unicorn to make your design. Set the feedrate to some number slow enough to ensure a good etch. Export using the pen down and up angles noted above.
Turn on laser - note the pilot beam for aiming! Set the pilot beam at the reference point (either center of platform or extreme lower-left)
Exclaim in a loud voice "Fire the laser!"
Press build. Do not look at target with remaining good eye!
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LaserUnicorn by merlinjim is licensed under the Creative Commons - Attribution license.
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