I know I haven't posted in a very long time, but I have had a lot of things going on. I'm not even sure this is where I should be posting this. Anyway, I am in the process of building several props. Some of them call for Great Stuff, but as far as I know once you open the can of Great Stuff, you eiother have to use it all up or wastes what hasn't been used. Does anyone know a way around this? I hate spending what little money I have to waste 75% of a can. I was hoping someone knew a way to maybe seal up the can so it can be reused later on.
My other question is about software. I am trying to design a motorized Cellar Dweller prop where the doors thump and jiggle as if something is trying to escape, then a short pause, then the doors burst open and a zombie shoots out. For this I need to build a cam. I think I can do it with a single wiper motor and a cam. I was wondering if anyone knows of a CAD program that I can use for this. Cheap is good, free is better. I look into a bunch of CAD programs, but for one they are too expensive, and they also have many more features than I need. I just need something I can use to draw the shape of the cam (which I will cut from plywood), see how the action will work, and then (hopefully) print out the cam shape so I can cut it out with my jigsaw. Thanks