Custom Resin Solutions (CRS) is an Antalya-based manufacturer of photopolymer resins for 3D printing. The company runs an R&D office at Akdeniz University Antalya Teknokent in Konyaaltı and a manufacturing site in Kepez.Its dental range includes resins for orthodontic and gray models, crowns and bridges, dentures, flexible partials, gingiva, splints and night guards, aligners, indirect bonding trays, trial restorations, surgical guides, custom trays and casting. The company describes several of these resins as biocompatible Class IIa or Class I materials. CRS also makes resins for hearing aids, jewellery and industrial use, and publishes a list of compatible 3D printers.The website does not name certificates or export markets.