Plotter cutter blade mount for 3D printer or CNC

**UPDATE:** This is probably a bad design as it eliminates the blade-length limitation function of the holder housing.

This is spring-loaded mount for Roland-compatible plotter blade holders, for cutting paper and vinyl. The spring is made of plastic, so use ABS.

If you have an MPCNC, I made a [modified version](https://www.thingiverse.com/thing:3388793) for it.

I am using this with [this cheap blade holder](https://www.aliexpress.com/item/New-15pcs-Set-30-45-60-Degree-Blades-Cutting-Plotter-Holder-For-Roland-Vinyl-Cutter-Power/32768955648.html). You may have to tweak measurements for another.

The mount is designed to be mounted with four M3 screws to an auxiliary tool clip that mounts to your 3D printer's print-head or your CNC. I used [this tool clip](http://www.thingiverse.com/thing:1878042) for my DaVinci 1.0a -- if you design your own tool clip, pay attention to screw hole positions.

The design includes a strip that attaches with two M3 screws that holds the blade h