Work in progress
Attempt to better represent filament/hobbed whatnot
Restore extruder body
Allow more tolerance of drop on filament opening
About to start on idler
More WIP
Idler work
Make file structure simpler
More WIP

Commit messages are hard for openscad.
Idler has something to brace against
Idler is more real
Printed groove mount hotend retainer
Maybe easier to print holes
Easier to work on while mounted

* Can unscrew shaft while mounted
* Easier to insert carriage-side bearing
Slightly DRYer. Slightly.
Prevent bearing from rubbing against plastic
Loosen tolerances
Carriage hole bracing WIP
New extruder print plate
Updated print plates