SLA printers are great, but they have their drawbacks; namely, SLA-printed parts almost always need additional curing after the print job is finished. Formlabs, which manufacturers SLA printers, has offered to help by providing an instructional video on how to make your own UV cure box for under $30. Read more at 3DPrint.com: http://3dprint.com/113283/formlabs-uv-cure-box/