What is .TC3 file extension?
Drawing created by the Mac version of TurboCAD, a CAD application used for drafting architectural and manufacturing designs; stores a 2D or 3D drawing, including drawn objects, measurements, and display properties; often used for storing mechanical and manufacturing component designs.
NOTE: TurboCAD two-dimensional designs are stored as .TC2 files. Both TC2 and TC3 files are only used by the TurboCAD Mac editions.
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.