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A full-sheet assembly table: 2x4 frame, plywood shelf, melamine top, six casters. Big enough that a 4x8 sheet lies flat on it — which is the entire point.
| Part | Qty | T × W × L | Material | ✓ |
|---|---|---|---|---|
| Legs 30" mobile version. Fixed 30": 29-1/4". Mobile 36": 31". Fixed 36": 35-1/4". | 6 | 1 1/2" × 3 1/2" × 25" | — | ☐ |
| Leg bottom blocking Caster pads. Omit to gain shelf clearance and set the shelf at the leg bottoms instead. | 6 | 1 1/2" × 3 1/2" × 3 1/2" | — | ☐ |
| Cross supports | 6 | 1 1/2" × 3 1/2" × 42" | — | ☐ |
| Long rails | 4 | 1 1/2" × 3 1/2" × 96" | — | ☐ |
| Upper leg fillers Cut to fit YOUR frame. Fixed 30": ~18-3/4". Mobile 36": ~20-1/2". Fixed 36": ~24-3/4". | 6 | 1 1/2" × 3 1/2" × 14 1/2" | — | ☐ |
| Lower shelf Notched around the legs — cutouts about 3-5/8" x 3-1/2", cut 1/8" generous. | 1 | 5/8" × 48" × 96" | Plywood | ☐ |
| Top Full sheet, no cuts. | 1 | 3/4" × 49" × 97" | Melamine particle board | ☐ |
| Item | Qty | ✓ |
|---|---|---|
| 2x4, 8 ft 11 for the 36" counter-height versions. | 10 each | ☐ |
| Plywood, 5/8" AC, 4x8 sheet The lower shelf — and the frame-squaring jig, as it turns out. | 1 each | ☐ |
| Melamine-coated particle board, 3/4", 97" x 49" The top. Melamine sheets run an inch oversize, which gives a handy 1/2" overhang all around. | 1 each | ☐ |
| Casters, 4", locking, with screws and washers Omit for the fixed version — the legs just get cut longer. | 6 each | ☐ |
| Self-tapping screws, #9 x 2-1/2", star drive | 70 each | ☐ |
| Self-tapping screws, #8 x 1-1/2", star drive Shelf and top. | 50 each | ☐ |
Overall cost: $$$. Lumber varies by region, species, and season, so we give a band rather than a figure.
Tools: Drill / Driver. Materials: 2x4, 8 ft, Self-tapping screws, #9 x 2-1/2", star drive
Screw a 3-1/2" 2x4 block to the bottom of each leg with two 2-1/2" screws — these are the caster mounting pads.
Option from the source: skip the blocks entirely and put the bottom shelf at the very bottom of the legs, which buys more clearance under the shelf.
Tools: Drill / Driver, Speed Square. Materials: 2x4, 8 ft, Self-tapping screws, #9 x 2-1/2", star drive
Join the legs in pairs with the 42" cross supports, two screws per joint, making three identical H-shaped leg sets — two ends and a center.
Tools: Drill / Driver, Speed Square, Tape Measure. Materials: 2x4, 8 ft, Self-tapping screws, #9 x 2-1/2", star drive
Attach the 96" rails to the leg sets, centering the middle leg set. Check the legs are square to the long rails as you go — the 8-foot span amplifies every degree of error into visible lean.
Tools: Drill / Driver, Jigsaw, Pencil, Tape Measure. Materials: Plywood, 5/8" AC, 4x8 sheet, Self-tapping screws, #8 x 1-1/2", star drive
Cut the corner and center notches out of the plywood shelf with a jigsaw so it drops around the six legs — about 3-5/8" x 3-1/2", cut 1/8" oversize so it slides in without a fight.
Then screw it down with 1-1/2" screws, USING THE PLYWOOD TO SQUARE THE FRAME: the sheet's factory corners are the truest right angles in your shop, so pull the framing to the plywood, not the other way around.
Tools: Drill / Driver. Materials: 2x4, 8 ft, Self-tapping screws, #9 x 2-1/2", star drive
Screw the upper 2x4 cross pieces to the tops of the leg sets — the beginnings of the top frame.
Tools: Drill / Driver, Tape Measure. Materials: 2x4, 8 ft, Self-tapping screws, #9 x 2-1/2", star drive
Clamp the upper 96" rails in place before screwing. The source build hit the classic snag here: one leg out of square made the 8-footer 'come up short' — the fix is loosening the leg's screws, pulling it true, and re-driving.
Do not shrug this fit off. The melamine top is a rigid factory rectangle; if the frame under it isn't the same rectangle, the top rocks or overhangs unevenly and there's no trimming it back.
Tools: Drill / Driver, Miter Saw, Tape Measure. Materials: 2x4, 8 ft, Self-tapping screws, #9 x 2-1/2", star drive
Cut the six filler pieces to fit your actual openings (the listed 14-1/2" is nominal) and screw them in from the inside so the fasteners don't show on the finished table.
Tools: Drill / Driver. Materials: Melamine-coated particle board, 3/4", 97" x 49", Casters, 4", locking, with screws and washers, Self-tapping screws, #8 x 1-1/2", star drive
With help, tip the table and mount the six casters to the leg blocks with their screws and washers. Lock all six before the next part.
Set the melamine sheet on top — at 97" x 49" it overhangs the frame about 1/2" all around. Fasten with a few 1-1/2" screws down through the top; countersink them slightly so nothing stands proud of the work surface. (The source builders left theirs loose, planning to bed it in silicone like a vanity top so it can be replaced when it wears — a reasonable long game for a surface that will take abuse.)