Top Draw

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File Format
Name Top Draw
Ontology
Extension(s) .tdr, .tds
Released 1993

Top Draw is a vector graphics editor for Windows 3.1. It was developed by Top Software, of Conifer, Colorado.

It has a native .TDR vector graphics file format. It also has a .TDS "Shapes" file format (a vector-based clip art library).

There was a major change to the TDR format at some point, apparently at v3.00.

Identification

TDR v3.x format: Files apparently start with bytes 8e 00 54 6f 70 20 44 72 61 77 00. This contains the ASCII string "Top Draw".

TDR old format: Undetermined. Note that files start with three length-prefixed text fields.

TDS: Undetermined.

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