Utilize a "fan" design to create a stiffer retractable flat surface. Stack a series of flat panels (slats) and connect them at the bottom with a pivoting rod drilled through. Spread the slats out so they are semi-overlapping, then connect them at the top with a strip of flexible material
How-To:Make Your Own Damn Springs Make:Mar 30, 2011 · Idahoan Dean Williams used to make a living by repairing vintage mechanical cameras. If youve ever pulled your hair out trying to replace a small spring that hasnt been manufactured since the factory was bombed by Görings Luftwaffe, you may be interested in his well-documented DIY method. Deans trick for annealing them inside a wad of steel wool in a toaster oven is worth a click
Taper. Specifies the taper angle, if needed, for all coil types except Spiral. On the Coil Ends tab of the Coil dialog box, choose the Start and End transition methods and angles:Flat. Create a transition in the pitch of the coil. Enter a Transition Angle and then a Flat Angle (up to 360 degrees), to stand upright on a flat surface, for example.How to Make a Simple Coil Winding Machine Our PastimesApr 12, 2017 · Cut the 2 x 4 into two eight-inch pieces. These will serve as the upright supports for the coil winding machine. Stand the 2 x 4's upright six inches from each end of the 2 x 6. Mark around their perimeter with a pencil. Drill two pilot holes where you will mount each 2 x 4 piece.