A roll-board or mobile base for a Systainer toolbox or other stacking box is a very useful workshop accessory to have, and this super-simple plan give a life-size outline drawing of the shape needed, and lists the accessories I used to make mine.

You should see the accompanying YouTube video for a full description of the process of making this, but long story short, for a one-off simply print it out (prints over 4 A4 landscape pages) and spray glue it down onto your baseboard, and cut around the lines.

If you're making more than one, then use this plan to make a template that you can cut around with a router - it's all explained in the video here -

This is a super-simple outline plan, and is priced accordingly. Thanks!