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Shop Project #10 Desk & Charging Machine: Laser Beginner-Friendly — Precision Kerf-Compensated Laser Cut & Glue

Cable Comb — Woodworking Plan & Build Guide

Screws to the back edge of a desk and holds five charging cables where you can reach them. Download the printable PDF plan, vector SVG, layered CAD/CAM DXF, and 3D carving files below—complete with step-by-step build instructions and our 100% plant-and-wax finishing protocol.

Finished Spec Screws to the back edge of a desk and holds five charging cables where you can reach them.
Recommended Stock 1/4" (6 mm) Baltic birch plywood, scrap is fine
Est. Build Time 45 to 60 Minutes (plus 15-min finish buff)
Recommended DuraGrain Finish DuraGrain Hardwax Oil (12 fl oz — 0.0 g/L VOC Tung, Walnut & T1 Carnauba)
Cable Comb Completed Build Finished with DuraGrain
Completed Shop Build • Finished with DuraGrain Hardwax Oil (12 fl oz — 0.0 g/L VOC Tung, Walnut & T1 Carnauba)

Plan & CAD Downloads

Production-ready CAD vectors nested in inches with layer names encoding operation type and exact cut depth.

⇩ Download Standalone Printable Plan PDF
⇩ Primary Cut DXF Layered CAD/CAM vectors ⇩ Laser Cut SVG Red = Cut, Blue = Score ⇩ Complete Cable Comb Project Archive (.ZIP) Includes Plan PDF + All Multi-Sheet / Underside DXF & SVG Cut Files
Free to download, print, build (including items you sell), and share—just please do not edit or modify the files and redistribute them.
Section 01 • Cut List, Stock Selection & Tooling

Bill of Materials, Hardwood Species & Shop Tooling for Cable Comb

Accurate stock preparation is half the battle when building the Cable Comb. Verify your blank dimensions and thickness before adhering the template or zeroing your CNC/laser axis:

Part Name Qty Stock Thickness Part Bounding Box (W × H)
Cable comb31/4"6" × 1-1/2"

Recommended Hardwood & Sheet Stock Selection

For laser-cut finger-joint boxes and desk organizers, use void-free Baltic Birch plywood (B/BB grade) or hardwood-core veneered MDF/plywood, and always measure actual sheet thickness with digital calipers before cutting. For CNC-routed keepsake boxes, valets, trivets, and wall racks, select kiln-dried American Black Walnut, Hard Maple, Cherry, or White Ash planed dead-flat so pocket depths and through-tenon shoulders register with sub-thousandth accuracy.

Required Shop Tools, Blades & Bits

  • Laserbox 40W CO2, cut only.
  • The 0.2" neck opens into a 0.34" hole: cables from about 1/8" to 5/16" thick snap in and stay put.
  • 40W+ CO2 or Diode Laser Cutter with honeycomb bed & air assist
  • PVA wood glue, painter's tape for clamping, and 180–220 grit sandpaper to clean laser edges
  • Hardware: Two #8 x 3/4" screws per comb.
Section 02 • Step-by-Step Shop Workflow

How to Cut, Carve & Assemble the Cable Comb

Follow this numbered shop sequence to take your Cable Comb from rough lumber to a crisp, heirloom-grade piece ready for finishing:

Step 01

Measure Actual Stock Thickness & Verify Machine Setup

Before running your machine, measure your actual stock thickness with digital calipers (nominal stock: 1/4" (6 mm) Baltic birch plywood, scrap is fine). Import the color-layered SVG or DXF into your laser software at 100% scale (inches). Assign Red lines to Cut and Blue lines/text to Score/Engrave.

Step 02

Machining & assembly stage 1

Cut three combs (one sheet).

Step 03

Machining & assembly stage 2

Countersink the two screw holes by hand.

Step 04

Machining & assembly stage 3

Screw the comb to the back edge of the desk, slots up, and press each cable through a neck.

Section 03 • Master Woodworker Notes

Pro Shop Tips & Common Mistakes to Avoid

1. Grain Orientation & Short-Grain Strength

Always orient the long grain of your board strictly parallel to the X-axis (left-to-right on the template). Diagonal grain runout across a narrow utensil neck, hook tenon, or featherboard finger creates short grain that can snap under everyday load.

2. Progressive Sanding (120 → 180 → 220 Grit)

Never skip grits or sand raw hardwood above 220 grit before applying natural polymerizing oils. Over-polishing raw wood to 400+ grit burnishes the wood cells shut and prevents DuraGrain Walnut Oil or Hardwax Oil from anchoring deep inside the fibers.

3. Water-Popping & Wiping Excess Oil Dry

For kitchen utensils and trivets, misting with warm water before your final 220-grit pass eliminates raised-grain fuzz permanently. When applying DuraGrain finishes, always wipe the surface 100% bone-dry after 15–20 minutes so the oil cures inside the wood rather than turns tacky on top.

0.0 g/L VOC Architectural Finish • Includes #0000 Pad & Microfiber Cloth

The DuraGrain Single-Coat Architectural Cure Protocol for Cable Comb

Whether you cut the Cable Comb on a CNC router or a CO2/diode laser, spray lacquer and wipe-on polyurethane pool inside finger joints, gum up kerf-cut living hinges, and leave a plastic film that peels or clouds over time. DuraGrain Hardwax Oil bonds molecularly inside the wood grain in a single wipe-on, buff-off application—with 0.0 g/L VOCs and zero toxic fumes in your shop:

Step 01 • Scrub In with #0000 White Pad

Apply Thinly with the Included 3"×4.5" #0000 Non-Abrasive Pad

Sand all surfaces to 180–220 grit (cleaning any laser char from finger tabs if applicable) and vacuum away dust. Pour a small ribbon of DuraGrain Hardwax Oil (12 fl oz) and work it evenly into the wood using the included 3"×4.5" #0000 white non-abrasive palm pad. The pad shears the Pure Chinawood Tung Oil, Refined Walnut Oil, and T1 Carnauba Wax deep into end-grain pockets, dados, and miters without runs or sags.

Step 02 • 15-Minute Buff-Off

Buff Bone-Dry with the Included Dark Charcoal Microfiber Cloth

Allow the oil-wax blend to penetrate for 15 minutes, then buff the entire piece completely dry using the included 12"×12" 300 GSM edgeless dark charcoal microfiber buffing cloth. Because our formula cures by oxidative cross-linking rather than solvent evaporation, it leaves a dead-flat, velvet-matte tactile finish that highlights natural walnut, maple, cherry, or Baltic birch figure and spot-repairs effortlessly.

DuraGrain Hardwax Oil 12 fl oz Kit with Pad and Microfiber Cloth
Complete Kit • Includes #0000 White Pad + Charcoal Microfiber Cloth

DuraGrain Hardwax Oil (12 fl oz)

0.0 g/L VOC Pure Tung Oil, Alkali-Refined Walnut Oil, T1 Brazilian Carnauba & USA Beeswax architectural finish. Formulated & poured in Pittsburgh, PA.

$34.99 Shop Hardwax Oil Kit →
DuraGrain 10-Pack #0000 Non-Abrasive White Applicator Pads
Shop Refill • 3"×4.5" Non-Woven Applicator Pads

10-Pack #0000 White Applicator Pads

Keep extra shop-grade #0000 non-abrasive white pads on your bench for CNC pockets, boxes, and furniture builds—zero steel-wool rust specks.

$9.99 Shop 10-Pack Pads →
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