Are you good at working with your hands? We can build our own sla printer just like we can build our own fdm printer. If you already have an fdm printer that is up and running you can make your own parts and land with a high quality machine that is custom tailored to your needs. There is plenty of info out there to get you going: DIY High Resolution 3D DLP Printer (3D SLA Printer) : 22 Steps (with Pictures) - Instructables . Here is another link: 8 Cheapest DIY Resin (DLP/SLA) 3D Printers from $20 | All3DP