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Thread: Laser projected guide circle

  1. #1
    Join Date
    Jul 2018
    Location
    Knoxville,TN.
    Posts
    59

    Laser projected guide circle

    I want to turn spheres using a laser guide circle, but I can not fine a laser pointer that projects a circle. My idea is to point laser at wood and just follow the line to cut a circle. Can anyone give some help with the laser?

  2. Not to sound snarky, they are called laser pointer for a reason. You need some sort of lens mechanism which will project a cone.

  3. #3
    Join Date
    Jan 2010
    Location
    Midland, MI
    Posts
    168
    David Smith has a detailed article about a similar approach using a lamp to make a shadow of what you're turning. The shadow projects on a circle template that you draw. You just turn away the wood until the shadow matches the template. Here's a link to the article: http://davidreedsmith.com/Articles/S...wSphereJig.htm

    There are many more free, interesting articles on his site.

    Dave

  4. #4
    Join Date
    Feb 2018
    Location
    Cookeville TN
    Posts
    338
    I have had several laser pointers that had shaped apertures so you could create an arrow and other shapes. I used to get them at dollar general store. Here is one I found by doing a search on laser pointers with patterns
    https://www.amazon.com/Style-Pattern.../dp/B00TKEE10W

  5. #5
    Join Date
    Apr 2013
    Location
    Valparaiso In
    Posts
    156
    https://www.youtube.com/watch?v=otSjut1iGGk At 2:12 in this video, a gadget is described that projects a laser circle. It's designed to center parts for drilling, but looks like it would work for your application.

  6. #6
    Join Date
    Jul 2018
    Location
    Knoxville,TN.
    Posts
    59
    Thanks for the help. I will investigate.

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