
I have tried to make the chassis constrained the same way as it is in the original mendel, however I am relying on gravity to hold the chassis down so I only need 6 bearings in total for the chassis. Below is a picture of the chassis mounted to the OverlapStrap frame.

Category: OverlapStrap
OverlapStrap Y Skate

The main reason my plans for this repstrap deviate from the work being done by bodgeit was because he uses 606 bearings. I wanted to use the M4 bearings that are part of the Mendel Bill of materials. Instead I have made these skates inspired by those used in the build your cnc project.
The M4 bearings are mounted on 1/2″ x 1/2″ x 1/8″ Aluminium Equal Angle which I picked up from eBay

As usual the dxf files can be found here
OverlapStrap Z-Rail Mounts
A couple more drawings for the Z-Rail Mounts.
The upper mount

The lower mount

All Files can be downloaded here
OverlapStrap Frame
So far all I have done is built the frame with Y and Z axes. All bars are the same lengths as in the original mendel. The wooden parts are made from 12mm x 32mm planed smooth timber.

I will be providing all files in dxf format. You can download the above drawing here
OverlapStrap
Inspired by Bodge-its Mendel Repstrap, I am building a repstrap which overlaps as much as possible with Mendels Bill of Materials. The idea being that I can print the needed 3d parts, with the repstrap, then dismantle the repstrap and build Mendel, without having to have bought lots of extra parts and materials.