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Simple assemblies

Your first open wooden tray

A short cut list and butt-jointed rim make a clear first assembly.

Beginner◷ 2 hours active timeUpdated
Illustrated concept for your first open wooden tray
Concept illustration · Use the written dimensions for layout
PLAN BEFORE YOU COMMIT

Fit, dimensions & layout

The 18 mm strips sit on top of the 6 mm base, giving 24 mm overall height. With 6 mm rims, the opening is 188 × 108 mm. For actual rim thickness t, the short sides are 120 − 2t mm long. This first exercise is about understanding the joint layout; sketch the four walls over the base before committing to a cut list.

Starting size200 × 120 × 24 mm
Active work2 hoursAllow additional product-specific drying or curing time.

The illustration is a concept, not a scale drawing or a record of a tested build. Use a full-size template or dry fit to check the written layout with your actual materials.

Gather your materials

Tools to have nearby

Choose materials deliberately

Pre-cut strips

They reduce cutting work but still need an actual-thickness check. Match the short pieces to what you measure, not only the label.

Paper prototype

Card can show which walls fit between which, but it does not demonstrate the strength or glue behavior of wood.

Make it, step by step

  1. Read the dimensions

    The 18 mm rim sits above the 6 mm base. Short strips fit between long ones.

  2. Dry-fit every piece

    Set all four strips on the base and adjust for actual material thickness.

    Check before moving on

    Put removable labels on all five pieces and assemble the entire tray once without adhesive.

  3. Glue long sides

    Spread a thin layer on the lower edges and clamp flush with the base.

  4. Add short sides

    Fit between the long strips and check the corners remain square.

    Check before moving on

    Check short sides at both ends before tightening clamps so one end is not pulled in farther than the other.

  5. Cure and smooth

    Wait for full cure and soften exposed corners. Use for lightweight indoor items.

IF SOMETHING DOES NOT FIT

Troubleshoot this project

Why are the short sides too long?

What to check. The rim may be thicker than 6 mm or the short-side formula may not have been used.

Next move. Measure both long strips and recalculate the remaining clear width before trimming.

Why are corner heights uneven?

What to check. One strip may not sit fully on the base or strip widths may vary.

Next move. Check the dry assembly from the side and match rim heights before gluing.

The final check

The tray rests flat and joints stay closed during gentle handling.

A detail worth keeping

Label the parts on masking tape and remove each label during assembly.

FROM THE FIELD NOTES

Read one simple overlap

The first tray has a base, two long rims, and two rims fitted between them. With 6 mm rims on a 120 mm-wide base, the short length is 108 mm. Draw this plan in pencil and label every piece before cutting or gluing; the picture explains the subtraction.

Read the Simple Wood Wise notebook ↗

Record your actual sizes, material changes, and the result of your fit check in your project notebook. Keep the product name with any finish or adhesive sample.

Use a stable work surface and tools within your experience. Follow the exact tool and product instructions for preparation, dust control, ventilation, and cure. These decorative concepts have no structural load rating. Stop if the material or existing finish cannot be identified.

CONTINUE THE COLLECTION

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