Forums General Discussion Jam Peg Instructions

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1 reply, 2 voices Last updated by  Alan Balmer 3 months, 1 week ago
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  • #4669

    Glenn Wood
    Participant
    @glennwood

    I recently ran across an old link that was giving instructions to cut a frosted cat design which were listed as “jpeg instructions” from a .asc file, which I am assuming refers to Jam Peg instructions. I’m trying to find any sources of how to read such instructions and convert them to a facet diagram in Gem Cad. I am able to deduce the angle & some of the indexes, however, the middle portions of the listings leaves me at a loss, like “0.56074 40 24 n 2 G Ears” or “0.59273 52 12 n 5 G Whiskers”. Does that mean using index 40 & 24 in the first example and index 52 & 12 in the second example? Here are the instructions:

    “Here is a jpeg with instructions for version 3 of the Bobcat:
    Here is the data from the .asc files for the Bobcats:
    Bobcat #1:
    GemCad 4.2
    g 64 0.0
    y 1 y
    I 1.54
    H Round Frosted Cat
    H by Bob Collins  (GemBob)
    H
    H 6/4/01 
    a 90.00 1.00000 2 6 10 14 18 n G 22 26 30 34 38 42 46 50 54 58 62
    a -35.00 0.59274 58 n 1 54 50 46 42 38 26 22 18 14 10 6 G Leave frosted.
    a -32.00 0.56074 40 24 n 2 G Ears – polish
    a -32.10 0.56074 0 32 n 3 G Leave frosted
    a -14.70 0.45413 0 56 48 40 32 24 16 8 n 4 G Cut 32 first – meet P2 and P3 – polish
    a -34.20 0.59273 52 12 n 5 G Whiskers – polish
    a -10.00 0.45542 0 n 6 G Nose – leave frosted.
    a 35.00 0.63917 2 6 n A 10 14 18 22 26 30 34 38 42 46 50 54 58 62
    a 25.00 0.50739 0 4 8 12 n B 16 20 24 28 32 36 40 44 48 52 56 60
    a 0.00 0.14470 0 n T
    F Stone is designed to “Window”
    F Mount with high contrast backing
    F to enhance cat silhouette.
    F”

    Thanks in advance for any help with this.
    Glenn Wood

    #4670

    Alan Balmer
    Keymaster
    @alanbalmer

    Jpeg usually refers to a graphic format, not jamb peg, and the .asc file bears that out. The .asc file is readable by GemCad, and will give you the instructions and a diagram. Go to gemcad.com to download a free trial of GemCad. If you’re serious about faceting, you should buy it when the trial period is over.

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