There is no truly 100% safe uncured 3D printed resin – the best alternative would be a dental resin. These cost several times regular ones yet can still provide harm for you and pets. For the price, you’re better off getting that fan, casing, buckets, duct, etc. These printers are excellent for hobbyists or people who just want to get started with resin 3D printing. By choosing a small format resin 3D printer you save money and space. Phrozen Sonic Mini 4K. The Phrozen Sonic Mini was my first monochrome resin 3D printer, and I was quite happy with it. Now, the mini has been upgraded with a 4K screen /r/3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices. Members Online using a low infill percentage and doubling it every 10mm or so several times before the top layer is an effective way to reduce filament usage and maintain strength for 365 days, only $2.99. Already a subscriber? Continue with the provider and email address you used when you subscribed. When PLA isn't enough for your kitchen utensils, these food-safe 3D printer filaments will come to the rescue. Check out our top picks! There are basically two types of 3D printers which includes Fused Deposition Modeling (FDM) and Resin 3D printers. FDM 3D printers typically use filaments which involve the melting of plastics while Resins use liquid resins. The printing process of both 3D printers often leads to the emission of toxic particles that are harmful to human health. The chemicals I would have contact with would be isopropyl alcohol 99% (for resin clean-up) and the following chemicals seems to be common in photosensitive 3D printing resins: acrylate monomer, acrylated urethane polymer, morpholine, tripropylene glycol diacrylate, phosephine oxide, pentaerythritol, 4-methoxyyphenol, methacrylic oligomer fZ0Rk.