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This "snap together" rubber band powered car was printed using a MakerBot Replicator. I've never used 3D software before, so TinkerCad was my c...
Go to Thingiverse.com and download the Rubber Band Powered Car files: http://www.thingiverse.com/thing:22821 Drag a downloaded file into the model w...
Select "Generate GCode" from the right hand menu.
Mostly, I leave this alone--except that I check "Use Raft/Support." A raft is a web of plastic printed on the base under your 3d object. Note that ...
It has been my experience that the bed of the Replicator needs to be 115 degrees instead of 100 for reliable adhesion of the raft. About the 20th lin...
Make sure the "gcode" tab is selected. If the "model" tab is selected, you will generate gcode (a sometimes slow process) again. Start the print by s...
If the raft does not look like this image (smooth flat lines), then the build plate is probably too low. Squiggly lines indicate a low build plate. ...
I read about this in the forums and it works for me. Block off the side openings (I used paper and masking tape). Don't allow breezes from cooling o...
Note the hollow spaces inside the wheel--the solid structures are not solid.
This is one of the side plates on the raft. I pull the raft loose and pull any loose "strings" from the main part.
Once you have a complete set of parts, you are ready to assemble.
Snap a side plate onto the base.
Add the other side plate--they should be snug but not difficult to assemble.
Insert a pencil (round, not one with flat edges) into a wheel and push the axle assembly through one of the axle holes.
Add the other wheel and repeat the process for the front axle.
Attach a rubber band to the rear axle.
Secure the other end of the rubber band to the V in the front of the base.
The rubber band should look like this.
Wind it up and see what kind of distance you can get. Changing the rubber band, weight in the car and connection to the rear axle (if the rubber band...
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