These rods hold the two halves of the bridge ramp together. I modeled 1:1 with some minor tweaks to make printing easier. 

Print tips:
- Print lying down
- Position the "X" of the rod so the two legs of the "X" touch the bed. 
- Paint supports on the bottom of the end pins
- Brim

Magic Tracks Support Rod v4.stl

This part is meant to act as a chuck to apply clamping force on the seatpost for a Canyon Grail CF SL 8 frame. Normally there is a sleeve between the frame and the seatpost that has this section but I seem to keep tearing it off and the sleeve is glued in so this seemed like the next best thing.

The hole on the back is for a magnet and the hole on the front is just the right size for a coat hanger to position it in the frame. Between the combination of the two, it is possible to lower it in place and then hold it via the magnet while inserting the seatpost.

Print Settings: 
Overture TPU 95a
Fuzzy Skin masking on the mating surface.

Model for tweaking size: 
https://cad.onshape.com/documents/8708fa8bf90b98249c97df50/w/b50660d4daf4de3fb785ae14/e/23693a8ee19a80065951b531?renderMode=0&uiState=65469d50fbaccd167fbf66b9

Canyon Grail CF SL 8 Seatpost Chuck

Seatpost Chuck_1.0.0.3mf

Activity related to collaborating with others on models

Likes, comments, and activity from your community

A roundup of models that we think you'll like

For when we think someone might have posted your content as their own

New content from your premium memberships

Emails and messages from designers you follow

wunderman4

Achievements

Seedling

Explorer

Magic Tracks Support Rod v4.stl

Canyon Grail CF SL 8 Seatpost Chuck