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by Vailala
Tue Dec 20, 2016 7:42 am
Forum: Users Showcase
Topic: FreeCAD – 1 dimension + photo = 3d drawing
Replies: 6
Views: 5132

Re: FreeCAD – 1 dimension + photo = 3d drawing

Thanks for the comments. I had read Mario’s threads some little time ago when I was considering how best to do the lettering on the O&K coach (described below on this forum) and I decided then not to use the procedure of plotting points, join lines, lofting, etc. In those cases where the photo image...
by Vailala
Thu Dec 15, 2016 8:02 pm
Forum: Users Showcase
Topic: FreeCAD – 1 dimension + photo = 3d drawing
Replies: 6
Views: 5132

Re: FreeCAD – 1 dimension + photo = 3d drawing

Thank you Microelly for your comment. While searching for help on the topic of drawing from photos I read your thread. I thought your approach had merit but it seemed to me to be too complicated for my purposes and what it promised also seemed to me to lie far off in the future. Instead I decided to...
by Vailala
Thu Dec 15, 2016 10:58 am
Forum: Users Showcase
Topic: FreeCAD – 1 dimension + photo = 3d drawing
Replies: 6
Views: 5132

FreeCAD – 1 dimension + photo = 3d drawing

I like to draw and sometimes make models of antique steam locos. When I first started using FreeCAD I thought that I needed to have 5 dimensions in each of the x,y and z planes in order to make an accurate drawing. But more often than not you have to work with a smaller dimension set. To compensate ...
by Vailala
Thu Oct 27, 2016 8:13 pm
Forum: Users Showcase
Topic: O&K Coach - Minas y Ferrocarril de Utrillas
Replies: 1
Views: 1539

O&K Coach - Minas y Ferrocarril de Utrillas

A model of a coach built by Orenstein & Koppel coach and supplied to the Minas y Ferrocarril de Utrillas (MFU) in 1903. This coach still exists and has been restored. I was very kindly supplied with 11 measurements for this coach by the preservation group Locomotora “Hulla” http://www.minasdeutrilla...
by Vailala
Fri Oct 21, 2016 9:02 am
Forum: Users Showcase
Topic: Garden Railway Bogie
Replies: 6
Views: 2942

Re: Garden Railway Bogie

Yes, basically you are correct. Half a side was drawn and mirrored to make up two sides. The other bits were then added. The bogie is only partly symmetrical as this underside view shows.

Cheers,

Vailala
by Vailala
Fri Oct 21, 2016 12:28 am
Forum: Users Showcase
Topic: Garden Railway Bogie
Replies: 6
Views: 2942

Re: Garden Railway Bogie

The wheels are done with cylinders and a 3 degree cone for the wheel tread. A single spoke is cut using a pair of cylinders that bracket the centre point. This spoke is trimmed and fused to the hub. The fusion is copied and spun 60 degrees 5 times (for a 6 spoke wheel). The original spoke and boss a...
by Vailala
Thu Oct 20, 2016 6:57 am
Forum: Users Showcase
Topic: Garden Railway Bogie
Replies: 6
Views: 2942

Garden Railway Bogie

Garden Railway bogie. Drawn from photos and information taken from a works drawing. 24” gauge prototype. The model is drawn at 1:13.7 scale to run on 45 mm gauge track. Drawn for 3d printing by SLS. Dimensions are to scale except where modified to increase strength and rigidity and 3d printer limita...
by Vailala
Mon Sep 12, 2016 10:04 pm
Forum: Users Showcase
Topic: Garden Railway Coach O&K
Replies: 11
Views: 6787

Re: Garden Railway Coach O&K

Thanks for the compliment. You are welcome to have the use of the image.

Cheers,

Vailala
by Vailala
Fri Sep 02, 2016 8:55 pm
Forum: Open discussion
Topic: Call for screenshots
Replies: 89
Views: 73460

Re: Call for screenshots

Decauville Baladeuse d'inspection. This is a drawing of a small wagon at the Tramway de Pithiviers museum. The scale is 1:13.7 for use on garden railways, 45 mm gauge. It has been 3d printed. Cheers, Vailala OS: Ubuntu 16.04.1 LTS Word size of OS: 64-bit Word size of FreeCAD: 64-bit Version: 0.16.67...
by Vailala
Fri Sep 02, 2016 8:45 pm
Forum: Users Showcase
Topic: Garden Railway Coach O&K
Replies: 11
Views: 6787

Re: Garden Railway Coach O&K

Thanks for the compliments. My apologies for the typos. FreeCad is very good software and it has produced for me some interesting surprises. For instance I was rather surprised that simply by using the 5 primitives it is possible to draw every shape (including ‘organic’ shapes) in the known universe...

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