changelog
    
    
    - Tue, 02 Jan 2018 14:51:40 +0200
 
    - by Santeri Piippo [Tue, 02 Jan 2018 14:51:40 +0200] rev 42
 
    - 60932: complete!!!!!
 
    - Tue, 02 Jan 2018 14:39:18 +0200
 
    - by Santeri Piippo [Tue, 02 Jan 2018 14:39:18 +0200] rev 41
 
    - 60932: rework...
 
    - Tue, 02 Jan 2018 14:25:21 +0200
 
    - by Santeri Piippo [Tue, 02 Jan 2018 14:25:21 +0200] rev 40
 
    - 60932: make some edges conditional
 
    - Tue, 02 Jan 2018 14:19:10 +0200
 
    - by Santeri Piippo [Tue, 02 Jan 2018 14:19:10 +0200] rev 39
 
    - 60932: fix front weirdness
 
    - Tue, 02 Jan 2018 13:59:18 +0200
 
    - by Santeri Piippo [Tue, 02 Jan 2018 13:59:18 +0200] rev 38
 
    - 60932: fix protrusion
 
    - Tue, 02 Jan 2018 13:15:57 +0200
 
    - by Santeri Piippo [Tue, 02 Jan 2018 13:15:57 +0200] rev 37
 
    - rename 7-16rin8.dat -> 7-16ring8.dat
 
    - Tue, 02 Jan 2018 02:29:24 +0200
 
    - by Santeri Piippo [Tue, 02 Jan 2018 02:29:24 +0200] rev 36
 
    - removed triangle.dat
 
    - Tue, 02 Jan 2018 02:28:23 +0200
 
    - by Santeri Piippo [Tue, 02 Jan 2018 02:28:23 +0200] rev 35
 
    - 60932: vent holes ready
 
    - Tue, 02 Jan 2018 00:07:55 +0200
 
    - by Santeri Piippo [Tue, 02 Jan 2018 00:07:55 +0200] rev 34
 
    - 60932: work on vent holes
 
    - Mon, 01 Jan 2018 20:50:23 +0200
 
    - by Santeri Piippo [Mon, 01 Jan 2018 20:50:23 +0200] rev 33
 
    - 60932: prepare for cut
 
    - Mon, 01 Jan 2018 20:43:26 +0200
 
    - by Santeri Piippo [Mon, 01 Jan 2018 20:43:26 +0200] rev 32
 
    - 60932: support thickness
 
    - Mon, 01 Jan 2018 19:05:15 +0200
 
    - by Santeri Piippo [Mon, 01 Jan 2018 19:05:15 +0200] rev 31
 
    - 60932: interior tube
 
    - Mon, 01 Jan 2018 17:24:21 +0200
 
    - by Santeri Piippo [Mon, 01 Jan 2018 17:24:21 +0200] rev 30
 
    - 60932: add conditional lines
 
    - Mon, 01 Jan 2018 17:17:18 +0200
 
    - by Santeri Piippo [Mon, 01 Jan 2018 17:17:18 +0200] rev 29
 
    - 60932: front surfaces