Shop Project #01 • Laser
Finger-Joint Catch-All
Open box 6" x 4" x 2-1/2" outside. Desk tray, valet box or a first finger-joint project.
View Plan & Build Guide →
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 Living-Hinge Box 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.
Bill of Materials, Hardwood Species & Shop Tooling for Living-Hinge Box
Accurate stock preparation is half the battle when building the Living-Hinge Box. 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) |
|---|---|---|---|
| Wrap strip | 1 | 1/8" | 13-3/32" × 2" |
| Bottom | 1 | 1/8" | 4" × 3" |
| Lid | 1 | 1/8" | 4-1/4" × 3-1/4" |
| Lid locator | 1 | 1/8" | 3-31/32" × 2-31/32" |
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. Use 1/8" plywood: 1/4" is too stiff to bend this tight.
- The strip is 13-3/32" long, sized to wrap the bottom plate. The slit pattern (0.07" pitch, 0.12" bridges) covers each corner plus 0.15" either side.
- Slits are single cut lines (red, open paths).
- 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
How to Cut, Carve & Assemble the Living-Hinge Box
Follow this numbered shop sequence to take your Living-Hinge Box 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: 1/8" (3 mm) Baltic birch, one 14" x 10" sheet). 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 the sheet. Flex the strip gently at each hinge zone a few times to loosen it.
Step 03
Machining & assembly stage 2
Glue the strip around the edge of the bottom plate, starting at the middle of a long side so the seam lands there. Wrap tape around it while the glue sets.
Step 04
Machining & assembly stage 3
Glue the locator under the lid, centered, so it drops inside the strip.
Step 05
Machining & assembly stage 4
Finish with DuraGrain Hardwax Oil (12 fl oz) using the included #0000 white palm pad and buff dry after 15 minutes with the grey microfiber cloth.
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 Living-Hinge Box
Whether you cut the Living-Hinge Box 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.
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 →
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 →
More Boxes & Organizers Woodworking Plans
Shop Project #02 • Laser
Lidded Keepsake Box
7" x 5" x 3" finger-joint box with a lift-off lid that self-locates.
View Plan & Build Guide →
Shop Project #03 • Laser
Drawer Organizer Trays
Three open trays on a 3" grid (3x3, 3x6, 6x6, all 2" tall) that tile together in a drawer.
View Plan & Build Guide →
Shop Project #05 • CNC Router
Carved Keepsake Box
8" x 5" x 2-1/4" box hollowed from one block, with a lid whose plug fits the opening.
View Plan & Build Guide →