Extra modules for Ultimate Modular Tool Holder Rack

These are a couple of extra modules I designed to work the [Ultimate Modular Tool Holder Rack](https://www.thingiverse.com/thing:1335846) by [Lay3rWorks](https://www.thingiverse.com/Lay3rWorks/about). The added modules are for holding:
* a caliper
* a roll of tape
* pliers
* a USB drive and three SD cards

There are many tool racks available on Thingiverse but I like the modular setup because it allows me to customize the rack to my needs. Other racks are excellent, but often designed around the designers particular toolset. Maker [juholga](https://www.thingiverse.com/juholga/about) already created [some additional modules](https://www.thingiverse.com/thing:2245290) for the tool rack that I've also printed and now I'd like to add some designs of my own. More designs may be added later.

The models are made with Fusion 360, the file can be [downloaded here](http://a360.co/2yD1MQZ). Make sure that when you use the base plate sketch for extrusion, you also select the two small rec