Just sharing another item I've created at almost no cost at all.
I was looking to create a wire embedder. So I was looking for a 9 to 12 Volt source, because that is what the ones in the catalogs run at.
You know those little charger units you plug into the outlet and that power something like a stapler, or recharge some other small device. I have box full of those after years of collecting and not having a clue what they once belonged to. I had anything from 5 to 24 Volts, and of course a 12 Volt one. Man and I was already looking at some old computer's power supply or a motor cycle battery. This is way to easy.
All I did was buy some electronic clips and used two pen shafts as holders. Cost me almost nothing. This one is only for fixing up embedded wires, but can be used to embed too.
I can build a rig I can use for doing entire frames at once, and I'm already looking at parts for it. I can see a long board with some fat nail heads on the bottom to press the wire into the wax and two end springs with a door bell ringer switch in the center to activate. Cover all the electrical parts with perhaps a vinyl folder to something heavier. I have seen things like that in catalogs for 40 bucks. Anyone can build it. It only contains basic wiring knowledge. A no brainer, if you can wire a lamp.
So here is a picture of my final product.