Monoprice Mini Delta Filament Guide Toolholder Remix

I liked uzcaliber's design, but wanted to take advantage of the space if I was going to bolt something onto the printer. I made the following changes:

* Filled in the space between the filament guide and the printer frame to allow for more tool slots

* Added various tool holder slots (11 total). You will have to have very narrow handles on your tools if you want to use all eleven.

* Added 2 SD card holder slots

* Extended the support flange so it goes around the corner on the top o