So, first of all, I want to apologize for my comment on your makerspace proposal. I feel like an idiot for making a comment on just having one day per semester for makerspace. I didn't realize, (or remember if you said it) that makerspace would be your emerging technology you would be incorporating in your school. I, too, thought about using coding for my emerging technology, but instead proposed 3D printing. Now I wish I would have stuck with coding. :-) In my 3D printing research. I found out that SLA (stereolithography) or DPA (Digital Light Processing) are actually better than FDP (Fused Deposition Modeling) your are thinking about getting, and they are getting more affordable. There is one model that is about the same cost as the one you want to get, but the resin is more expensive than the filament for FDP. Great lesson plan. Very detailed. Mine is terrible compared to yours. I hope you have success with this endeavor, and have a great school year.
I like how detailed your cost analysis is for your proposal. I think a makerspace would be a great fit in a science classroom to try and get students to be more creative. I really like your idea of including a sewing machine to try and get even more students interested that might not normally want to try making. Great proposal!