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RandyJohnson

  • CNC Spring Joint Box

    by Randy Johnson     Tuesday, January 1, 2013
    Spring Joint Box Self-locking design requires no glue. By Randy Johnson Squeeze and snap! That’s all it takes to assemble this CNC-routed box. Th e joint’s flexibility comes from a series of slots that allow the hooked tenons to be compressed...
  • Benchtop CNC Router Review

    by Randy Johnson     Friday, February 1, 2013
    The buzz is growing around computer numerically controlled (CNC) routers--particularly around benchtop CNCs for the small and home shop. Why? I believe there are four reasons. First, an increasing number of small shop and home shop woodworkers are discovering...
  • CNC Two-sided Machining

    by Randy Johnson     Saturday, September 1, 2012
    CNC Two-Sided Machining Two carefully placed index pins ensures accuracy. By Randy Johnson Skilled woodturners can easily match a bowl’s inside and outside surfaces by eye and touch. Creating two-sided shapes on the CNC, however, requires a different...
  • CNC Wooden Chain

    by Randy Johnson     Sunday, July 1, 2012
    CNC Wooden Chain Lessons in small parts jigging. By Randy Johnson My inspiration for this project came from a wooden chain I made years ago using a handheld plunge router and plans from Patrick Spielman’s New Router Handbook (1993). Since making...
  • CNC Project Gallery

    by Randy Johnson     Sunday, January 1, 2012
    CNC Project Gallery By Randy Johnson As CNCS become increasingly common in small woodshops, an amazing variety of work is emerging. Although this confirms the technical versatility of CNCs, it’s an even greater testimony to the creativity and ingenuity...
  • CNC V-Carve Inlay

    by Randy Johnson     Thursday, September 1, 2011
    V-Carve Inlay A simple method for creating precision inlays from almost any design. By Randy Johnson V-carve inlay takes advantage of a CNC’s ability to precisely rout matching parts. In this case the parts are made as opposites and fit together...
  • CNC Linker Logs Puppet Theater

    by Randy Johnson     Thursday, November 1, 2012
    Linker Logs Project Have fun while learning to fabricate with plywood. By Randy Johnson Although linker logs are made with the aid of a computer— once complete, they’re a great way to get kids (and parents) off the computer for an afternoon...
  • CNC Linker Logs Blanket Hut

    by Randy Johnson     Thursday, November 1, 2012
    Linker Logs Project Have fun while learning to fabricate with plywood. By Randy Johnson Although linker logs are made with the aid of a computer— once complete, they’re a great way to get kids (and parents) off the computer for an afternoon...
  • Digital Probe Duplication

    by Randy Johnson     Friday, July 1, 2011
    Digital Probe Duplication By Randy Johnson Router duplication has been around a long time. Early machines used stiluses to follow the shape of a pattern or master, while on the other end of the machines, routers did the carving. In a similar but computerized...
  • V-Carving in 10 Easy Steps

    by Randy Johnson     Sunday, May 1, 2011
    V-Carving in 10 Easy Steps By Randy Johnson V-carving is one of the simplest ways to create attractive carvings on a CNC router. With special software and a little practice, it’s possible to transform almost any lettering style or 2D design into...
  • CNC "Woodturning"

    by Randy Johnson     Thursday, March 1, 2012
    CNC "Woodturning" By Randy Johnson A rotary indexing head allows a CNC machine to create 3-dimensional shapes in the round. It’s an accessory that can be added to most CNC machines. Some companies even make it as a stand alone machine...
  • Digital Woodworking – The Next Generation

    by Randy Johnson     Thursday, April 25, 2013
    From the Editor’s Desk - March 2011 When it comes to tools and machines, woodworking is still a very traditional craft as practiced by most small shop woodworkers. The types of tools on the “I own, I want” check list haven’t changed...