Diy Floater Frame . So, here is the before adding the floating frame. First, cut a 45 degree angle at the end of one of the 1x2 board with. Build Your Own DIY Float Frame EdHart.me Diy float frame, Diy from www.pinterest.co.uk These 90 degree position square s and spring clamps ensured a perfectly square. Diy floating frame for canvas step 1: This inexpensive painting ($40 on ebay) needed a frame, but i didn’t want to invest the money in an expensive custom job.