I used to use a small cardboard box and stick the blades in it. It worked so-so, but was very unstable. Then I made a stand by screwing two 12" wood strips to the end on a 18" magnet bar. Just set it on any flat surface and you have a rock solid stand. It allows you to do knives and then pick the whole thing up and move it elsewhere to cure or wait for the next step. I made a second one with the magnet strip 8" above the work surface. I put down a piece of newspaper and set the stand on it. When doing hidden tang knives, I fill the handle with epoxy, insert the blade's tang, and when everything looks right, I set the butt of the handle on the newspaper and let the magnet hold the blade. I push down on the blade tip to make sure the fit is tight and let it cure a while. This keeps any epoxy from running out after I wipe the excess away. As it sets, I can gently take it off the magnet , wipe the handle and blade with alcohol, check for straightness and fit-up, and set t back to cure overnight.
Magnetic strips in other places around the shop hold blades and such during the various steps of completion. IMHO, you can't have too many magnetic strips and other magnet devices in a shop. I think the Navy Air Base near my home had to adjust their compasses to compensate for my shop. It also makes birds get off course in migration.