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Thread spool divider

Group thread spools by use and take one spool without losing track of the remaining colors. All files are free, including your customized plan.

Fixed divider

Group thread spools by use and take one spool without losing track of the remaining colors.

Fixed lanes hold color groups without spindle holes. The open top gives access to spool labels and loose thread ends.

For Someone choosing thread for a small sewing job. Default clear opening: 49.8 mm × 158 mm × 59 mm.

Adjust dimensions and stock ↓
Measure before you start
  • Measure the widest spool flange.
  • Measure tall and short spools separately so the short ones will remain reachable.
Tools and access
  • A saw and guide for straight cuts
  • A square, measuring rule and caliper
  • Clamps suitable for the dry assembly
  • A sanding block for accessible edges
Using this organizer
  1. Secure each loose thread end before returning the spool.
  2. Group spools by the system used for the current sewing work.
  3. Remove the selected spool and its separately stored bobbin before threading.
What a useful result needs to do
  • The widest flange passes into its lane.
  • A short spool can be pinched without removing an entire row.
  • Secured thread ends do not snag on a divider during removal.
If the fit is wrong
  • If tall spools hide shorter ones, place shorter spools near the front.
  • If spools need to travel, use a closed kit inside a carrying bag; these fixed lanes do not restrain them in transit.
Ready to make. All 9 parts fit the listed stock.
Thread spool divider — thumbnail assemblyDimensions are in millimeters. Read the stated measurements; this drawing is not a full-size cutting template.Fixed dividers · Assembled view285 × 170 × 65 mm · thickness 6 mm

Your parts

PartCut lengthCut widthThicknessQtyGrain
285 mm65 mm6 mm2Along length
158 mm65 mm6 mm2Along length
273 mm158 mm6 mm1Unrestricted
158 mm59 mm6 mm4Along length
Thread spool divider — dimensionsDimensions are in millimeters. Read the stated measurements; this drawing is not a full-size cutting template.Overall dimensions and clear openingsTop view · front edge at the bottomP1285 mm170Front section · halfway through depth (85 mm)F1F2285 mm65Clear width 49.8 · depth 158 mmClear height 59 · plywood 6 mmRead each opening and part from the plan before cutting.

Item allowance: thread spools — 40 × 40 mm, plus 6 mm of handling space per axis.

A feasible cutting layout

Numbered cuts span their parent region. Coordinates use the sheet's top-left origin. Trim all four edges of each sheet you use first. Keep unused sheets whole. This layout does not claim the lowest possible material use.

Compare your stock choices

Try this same inventory with offcuts first and standard sheets first. Each result is a feasible estimate; the solver may miss a better layout.

Sheet S1.1

Feasible cutting layout S1.1S1.1 · 600 × 600 × 6 mmC1C2C3C4C5C6C7C8C9C10C11C12C13C14C15F1285 × 65F2285 × 65P1273 × 158L1158 × 65L2158 × 65D1158 × 59D2158 × 59D3158 × 59D4158 × 59Hatched bands: 3 mm kerf · trim 5 mm on every edgeGrain arrows · small-part locations: @ x,y mm from sheet top-left
Cut sequence
CutParent regionDirectionCoordinate (mm)First childSecond child
C1N1horizontal70N2N3
C2N2vertical290N4N5
C3N5vertical578N6N7
C4N3horizontal231N8N9
C5N8vertical278N10N11
C6N11horizontal138N12N13
C7N12vertical439N14N15
C8N13horizontal206N16N17
C9N16vertical439N18N19
C10N9horizontal293N20N21
C11N20vertical163N22N23
C12N23vertical324N24N25
C13N25vertical485N26N27
C14N21horizontal355N28N29
C15N28vertical163N30N31

Connections and machining

Fixed dividers · 9 pieces · 6 mm plywood. Fixed dividers stand on the inset base and meet the front and back walls. Glue the divider bottoms and ends after the outer shell is square.
Thread spool divider — connectionsDimensions are in millimeters. Read the stated measurements; this drawing is not a full-size cutting template.Fixed dividers · connection detailsBase and divider contact · front section at mid-depthF1F2285 mm65Bond the divider bottoms to the base and the ends to the frontand back walls. Space each opening before the glue sets.Joint reference spans · length × width (mm)F + L · 6 × 65F + P · 273 × 6D + P · 158 × 6
Thread spool divider — machiningDimensions are in millimeters. Read the stated measurements; this drawing is not a full-size cutting template.Rectangular blanks · no grooves or notchesFixed dividers · 9 pieces · 6 mm plywood. Fixed dividers stand onthe inset base and meet the front and back walls. Glue thedivider bottoms and ends after the outer shell is square.Follow the cutting map, then use the connection details forassembly.

No grooves or notches are required. Cut the rectangular parts, then follow the connection details.

Put it together

Thread spool divider — exploded assemblyDimensions are in millimeters. Read the stated measurements; this drawing is not a full-size cutting template.Fixed dividers · Exploded assemblyF1F2L1L2P1D1D2D3D4285 × 170 × 65 mm · thickness 6 mmFixed dividers stand on the inset base and meet the front and backwalls. Glue the divider bottoms and ends after the outer shell issquare.Part labels match the cutting list. Use numerical dimensions.

  1. 1. Measure and mark

    Measure the actual sheet thickness (6 mm in this plan). Mark front / back F, left / right L, base P and dividers D. Recalculate if the measured thickness differs. Measure the widest flange on your spools.

    Parts: F, L, P, D · Start here

  2. 2. Cut and label the parts

    Follow the numbered full-width cuts in the cutting sequence, then subdivide each labeled child region. Keep the part IDs and grain arrows. Use the instructions supplied with your tools; this plan is not tool training.

    Parts: F, L, P, D · After measure

  3. 3. Dry-fit the outer walls

    Front and back span 285 mm. Fit the 158 mm side walls between them. Check the outside footprint 285 × 170 mm and square the corners. The inset base is 273 × 158 mm; its underside sits flush with the wall bottoms. Total base clearance is 0 mm per axis (0 mm on each side).

    Parts: F, L, P · After cut

  4. 4. Assemble the base and walls

    Prepare and bond the butt-joint contact faces using an adhesive suitable for your sheet. Center the inset base at z = 0 mm. Check squareness before clamping. For a clearance gap, verify the adhesive allows that gap; use zero clearance or revise the fit if it does not.

    Parts: F, L, P · After dry-fit

  5. 5. Position the dividers

    Mark each divider from the inside face of the left wall. Place the first divider after 49.80 mm of clear space; repeat at a pitch of 55.80 mm. Glue the bottom edge onto P and both ends against F. Each compartment has 49.80 × 158 mm clear floor space. These are straight glued partitions, with no grooves or hidden fasteners.

    Parts: D, F, P · After glue

  6. 6. Cure, finish and check the fit

    Follow the adhesive manufacturer's cure and handling instructions. Smooth edges and apply a finish compatible with your materials. Attach four self-adhesive felt pads under the base corners. Secure loose thread ends before storage. The fixed dividers group spools on a desk; they do not restrain spools during transport. Use for light desktop items; no load rating is provided.

    Parts: F, L, P, D · After divide

Materials and supplies

  • Uses 1 standard sheet(s) and 0 existing offcut(s). Check your inventory before buying.
  • S1: 1 of 1 used · 600 × 600 × 6 mm plywood (standard sheet).
  • Four self-adhesive felt pads.
  • Adhesive suitable for the selected sheet. Prepare according to the adhesive label and actual contact faces; no universal quantity or cure time.
  • Compatible finish and abrasive. Choose for the actual material and intended indoor use.

Take the complete plan

Parts, stock, cutting sequence and machining CSVs, connection and assembly diagrams, a printable plan and editable JSON. No sign-up.

For PDF, open the print page and choose Save as PDF in your browser. Use A4 or Letter.

For light desktop storage. Geometry checked; physical assembly and durability untested. Follow your tool, sheet and adhesive instructions. Adhesive quantity and curing time depend on the product you use.

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