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A motorized "Brio type" train climbs this seesaw--and its weight flips it down the other side. The track (actually it's a channel) is 3D printed and can be ...
Start by printing track. I left holes to screw the track to plywood.
The turning pieces (30 degrees each--3 of them make a 90 degree turn) are cut off from the straight piece (using Autodesk 123D--free). The diameter of a complete ...
You can clip the pieces together using a printed clip (I only designed the corner clip--corner to straight and straight to straight will be longer clips). Because the ...
Two straight pieces of track are held together using the pivot piece. The pivot piece is not centered--so that the track will tend to rest in one direction.
Press the 3/8 inch (ID) bearings in the support pieces (vxb.com for bearings).
Cut a 3/8 inch diameter wood rod (72mm long) and press it into one bearing, through the pivot piece and into the other bearing.
To make the seesaw reliably land on one end, I glued a chunk of surplus plastic (a bad print) under the right side.
Set up your layout and let the train go!
Froggy World 4 The Trainby MikeTheMaker
Froggy World 3 The Seesawby MikeTheMaker
Wire Guideby MikeTheMaker
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