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Reticle Guide for Ruler Quilting

I made the pencil guides to help Mary design ruler quilting patterns, but sometimes she must line up the ruler with a feature on an existing pattern. To that end, we now have a reticle guide:

Ruler Adapters - pencil guide and reticle

Ruler Adapters – pencil guide and reticle

The general idea is that it’s easier to see the pattern on paper through the crosshair than through a small hole. You put the button over a feature, align the reticle, put the ruler against the button, replace it with pencil guide, and away you go.

The solid model looks much more lively than you’d expect:

Ruler Adapter - reticle - Slic3r preview

Ruler Adapter – reticle – Slic3r preview

Printing up a pair of each button produces the same surface finish as before; life is good!

The OpenSCAD source code as a GitHub Gist:

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  1. #1 by Red County Pete on 2016-10-17 - 10:45

    I would have done a 3 x 3 array of the mix, but that’s just me. (Remembers playing Tic Tac Toe at the AT&T exhibit at the Museum of Science and Industry. Using a telephone dial as the input device.)

    • #2 by Ed on 2016-10-17 - 19:05

      Dang! You’re right: the marketing feature list lacks a “multi-function tool” bullet item!

  2. #3 by madbodger on 2016-10-17 - 13:56

    I’d be tempted to do a two-in-one version with a center ring (for the pencil guide), an outer ring (to establish the distance), separated by spokes (to allow visibility of the layout pattern).

    • #4 by Ed on 2016-10-17 - 19:10

      I like it!

      The first intensive test under field conditions comes up on a few days and we’ll see how they work. If the user community requests changes / improvements, that’ll be part of the proposal …

  3. #5 by Vedran on 2016-10-18 - 09:00

    Given my new infatuation with lathes, I might go for a version turned from clear acrylic with engraved cross hairs on the bottom :)
    There would be much waste material compared to printing, but that goes with the territory.

    • #6 by Ed on 2016-10-18 - 13:25

      I was completely unsuccessful at selling the idea of adapting a plotter digitizing sight to the problem … [grin]

      • #7 by Vedran on 2016-10-19 - 09:01

        At selling to missus or yourself? Latter seems more likely but … :)

        • #8 by Ed on 2016-10-19 - 11:16

          The user community was unanimous in its rejection.

          However, I just scored a digitizing sight on eBay for a small fraction of the going price … [evil grin]