TCW (file format)
From GICLWiki
Extension: .TCW
System: IMSI TurboCaD Drewing file
Description: www.turbocad.com
Extension: TCW
Program and/or Extension Function: TurboCAD Drawing
Company: IMSI/Design LLC
Specific Notes: TurboCAD is a design solution that delivers design productivity and visual results with integrated 2D parametric drafting, 3D surface and solid modeling.
Identifying Characters: Hex: D0 CF 11 E0 A1 B1 1A E1 00
Program ID: (None or Unknown)
General Notes: (None)