* Add screw insert to hold the teensy
* Allow wider wall spacings for more internal room
* Fix the clunky thumb connections
* Enable the teensy holder for all styles
* Start at Kludgy maltron style spacing
* Thumb and pinky tweaks
* Fix keyboard-z-offset problem
* Tweaks for a shorter-height version
* Add wall-thickness parameter
* Change hex-spacers to screw-inserts
* Adjust height
* Fix usb-cutout size and alignment
* Adjust teensy-holder
* Clean out junk