Hypercube Extruders (Direct & Bowden)

# Hypercube Extruders
Direct drive and Bowden swappable extruders for the Hypercube design of printer.

See full details and source on github: https://github.com/alanmcruickshank/hypercube-extruders.

More details on the design of the direct drive extruder here: http://designingoverload.com/2019/07/21/new-hypercube-extruder-designs/

### Background
These extruders take a lot of their design inspiration from the [original hypercube design by Tech2C](https://www.thingiverse.com/thing:1752766). In particular the bowden extruder is very similar and credit for that original design should go to Tech2C. The Direct drive extruder is loosely modelled on the PrusaMk3 extruder but with a completely
redesigned idler design.

### Motivations
Both the Bowden and Direct extruders are designed to be swappable on the hypercube, and to fit within the build volume of a stock designed hypecube without having to move any of the other parts to make it functional. In particular, working out how t