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Shop Project #12 Home & Decor Machine: Laser Beginner-Friendly — Precision Kerf-Compensated Laser Cut & Glue

Coaster Set — Woodworking Plan & Build Guide

Four 4" coasters, each with its own engraved pattern: sunburst, rings, hex mosaic, chevrons. 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 Four 4" coasters, each with its own engraved pattern: sunburst, rings, hex mosaic, chevrons.
Recommended Stock 1/4" (6 mm) Baltic birch, one 14" x 10" sheet (or cherry/walnut veneered ply)
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)
Coaster Set 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 Coaster Set 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 Coaster Set

Accurate stock preparation is half the battle when building the Coaster Set. 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)
Coaster - Sunburst11/4"4" × 4"
Coaster - Rings11/4"4" × 4"
Coaster - Hex mosaic11/4"4" × 4"
Coaster - Chevrons11/4"4" × 4"

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. Blue lines are vector scores: set them to a light cut (low power, high speed) so they mark without cutting through. Red is the cut.
  • For darker lines, run the blue layer as a line engrave twice.
  • 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: Cork sheet, 1/16", cut into 4" circles (cut it on the laser using the red outline).
Section 02 • Step-by-Step Shop Workflow

How to Cut, Carve & Assemble the Coaster Set

Follow this numbered shop sequence to take your Coaster Set 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, one 14" x 10" sheet (or cherry/walnut veneered ply)). 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

Do a test score on scrap to set power so the lines are crisp but shallow.

Step 03

Machining & assembly stage 2

Score, then cut. Wipe the soot off with a damp cloth.

Step 04

Machining & assembly stage 3

Seal with two thin coats of DuraGrain Hardwax Oil—its cross-linked Tung Oil, Walnut Oil, and T1 Carnauba Wax matrix beads condensation and hot mug rings without peeling or clouding like polyurethane, then glue cork to the back.

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.

100% Food-Contact Safe • Zero Petroleum Mineral Oil • Cross-Linking Cure

The DuraGrain 2-Stage Polymerizing Finishing Protocol for Coaster Set

Never soak a handcrafted Coaster Set in drugstore mineral oil. Mineral oil is a liquid petroleum distillate that never polymerizes—meaning it leaches right out into hot soup, pasta water, or charcuterie cheeses after two washes, leaving your hardwood gray, raised-grain fuzzy, and unprotected. Instead, lock the wood fibers from the inside out with our 2-stage drying-oil and T1 carnauba system:

Stage 01 • Deep Internal Cure

Flood & Cross-Link with DuraGrain Walnut Oil (12 fl oz)

After water-popping and final sanding to 220 grit, flood the bare hardwood generously with DuraGrain Walnut Oil. Because our walnut oil is 100% alkali-refined and cold-pressed (with protein allergens removed via filtration), its low-molecular-weight triglycerides wick deep into tight maple, cherry, or walnut pores. Wait 20 minutes, wipe the surface completely bone-dry with a lint-free shop towel, and let oxygen cross-link the oil into a permanent, hydrophobic internal seal.

Stage 02 • Carnauba & Beeswax Armor

Buff with DuraGrain Board Butter (5 oz in 8 oz Wide-Mouth Jar)

Once your base coat has cured, apply a dime-sized dab of DuraGrain Board Butter using one of the 2 included #0000 ultra-fine white applicator pads packed inside the lid. Our proprietary ratio of polymerizing walnut oil, domestic yellow beeswax, and rock-hard T1 Brazilian Carnauba Wax (melting point 180°F / 82°C) buffs to a warm satin luster that shrugs off boiling cooking liquids and hand-washing.

DuraGrain Walnut Oil 12 fl oz Bottle
Stage 1 Penetrating Base Cure • 12 fl oz

DuraGrain Walnut Oil

100% alkali-refined polymerizing drying oil. Zero petroleum mineral oil, zero solvents, 0.0 g/L VOC. Formulated & poured in Pittsburgh, PA.

$18.99 Shop Walnut Oil →
DuraGrain Board Butter 5 oz Jar with 2 Free #0000 Applicator Pads
Stage 2 Topcoat • Includes 2 #0000 Applicator Pads

DuraGrain Board Butter (5 oz in 8 oz Jar)

Walnut Oil, T1 Brazilian Carnauba & USA Beeswax with 2 reusable #0000 white applicator pads nested inside the jar.

$15.99 Shop Board Butter →
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