A1 Mini Riser

I've designed this A1-mini riser to give me more space to keep all the tools I need for my A1-mini with the printer.  The document (PDF) below shows step by step instructions on how to assembly the riser. The only extra parts needed are some glue, and foam strips to put under the riser. My desk that supports the riser is smooth, and with the riser also being smooth, the riser started moving around on the desk. It moved very slow, but I would rather have something between the desk a