Round Coffee Table

What you will make

A single plywood disk forms the top. Short plywood blocks thicken only its outer underside, so the top looks thicker without a second full disk. Four laminated legs join a large lower cross and a smaller upper cross.

Skill and sequence

This is an intermediate project explained step by step. Practise the circle-router setup, edge banding and angled pocket joints on offcuts first. Cut and thicken the top, laminate the base parts, dry-fit the frame, finish the separate pieces, then attach the top.

Use plywood throughout

Use flat, sound, furniture-grade 3/4 in plywood with attractive veneer. Do not replace the disk with solid boards using this attachment method. The plywood construction avoids the cross-grain movement problem of a solid-wood top.

Measure the actual material

Nominal 3/4 in is 19.1 mm, but actual sheet thickness varies. Match all parts to one thickness, measure it, and test the pocket-jig settings and screw exit paths on identical scraps. Do not scale the table or substitute thinner sheet without redesign.

Buy the full sheet before laying out the parts. Keep the two pocket-screw lengths separate from ordinary wood screws. Extra stock for practice is useful.

Fastener pack counts depend on the package and chosen optional method. The lower cross has two end pockets per arm; the upper cross has end pockets plus the short-arm centre connections. Never use longer screws as a substitute.

Protect yourself and support the work

Wear eye and hearing protection and suitable dust protection. Secure the work on a flat support, keep hands away from cutters, and manage cables and hoses. Disconnect power before changing bits or adjusting a jig.

Keep small parts away from the blade

Do not hand-hold short rim blocks beside a miter-saw blade. Use a suitable clamped carrier or stop arrangement that cannot trap the offcut. Follow the saw instructions, let the blade stop, and remove waste only when safe.

Control the router

Use a securely attached pivot arm and a sacrificial surface underneath the plywood. Keep the router base supported and the pivot engaged. Make several passes rather than cutting through the full sheet at once; use the tool maker's feed direction.

Protect hidden fastener paths

Keep optional pins or brads out of the future flush-trim path and away from each other. Never rout into metal. Drill pilot holes with a depth stop so they cannot emerge through a finished face.

Treat finish and hot tools safely

Park the hot iron on a heat-safe surface. Ventilate as the finish label requires; keep ignition sources away from flammable products. Store or dispose of used finishing cloths exactly as the product directs.

All stock comes from the plywood sheet. Dimensions are inches first, with millimetres rounded to 0.1 mm. Rough blanks are trimmed later; do not treat them as finished member lengths.

Keep the blank groups separate

The eight longer C blanks make four legs. The four E blocks are for the lower half-lap rails, not the legs. Label the groups before gluing.

Rim blocks must fit the actual disk

The 5-7/8 in value is a nominal rough target, not a verified long-point dimension. Use 7-1/2 degree end miters, make a sample and dry-fit the complete rim to the actual circle before repeating cuts. Do not assume the nominal length alone guarantees a closed ring.

Angle and length convention

Leg end cuts are parallel, 25 degrees from square across the laminated thickness. Measure the 18-1/2 in length along either long side between its end corners, not across opposite farthest tips. Cross-rail outer ends also use 25 degree cuts, oriented to meet the legs; their stated lengths are the longest edges.

46 in diameter / 17-1/2 in nominal height

Look at the load path

The top bears on the small upper cross. Four sloping legs carry it down to the wide lower cross. The top overhangs the base, while the larger lower cross spreads the footprint.

Allow for the real build

Actual plywood thickness, edge band and optional feet can change the final outside size slightly. Check the assembled base before fastening the top. This is a coffee table, not a seat, step or climbing surface.

One 3/4 × 48 × 96 in plywood sheet

Reserve the large pieces first

Lay out the 46 in circle at one end. Reserve two 42 in lower-rail blanks in the remaining area before cutting small pieces. Plan three strips at 1-1/2 in wide for the rim and nine strips at 3-1/2 in wide for the base.

Include every saw cut

The wide-strip group contains one upper-cross row, four two-blank leg rows, two two-block overlay rows and two uncut lower-rail rows. Mark actual kerf between pieces. Keep the rim strips as long as the available offcut allows until the sample rim fit is proven.

A / Plunge router / Pivot arm / Sacrificial support

Set the cutting radius

Locate the centre on the underside. Attach a straight scrap arm to the router and set the pivot so the cutting edge that forms the finished disk is 23 in (584.2 mm) from the pivot centre. The cutter centre is not the same reference as its cutting edge.

Make controlled passes

The pivot screw must hold securely without piercing the show face. The indicated screw length is 1-1/4 in (31.8 mm), but check its projection through your arm first. Support the disk and surrounding waste, rout shallow passes, then check the circle before removing the jig.

A + B × 24 / Wood glue / Optional 1-1/4 in pins or brads

Fit before fixing

Place the disk show-face down. Arrange the 24 short rim blocks around its underside. At each block, the middle of the outside edge must be flush with or slightly outside the disk; the corners overhang for trimming. Do not put the middle inside the circle.

Confirm the full ring

Test-fit all blocks before glue, checking the joints and complete support along the edge to be banded. Use the actual circle, not an assumed miter-length datum, to prove the layout. If it does not fit, stop and recheck the sample and measurements before cutting the remaining strips.

Wood glue / Clamps or optional temporary pins or brads

Bond the broad faces

Spread a thin, even glue layer over each block underside and place it back in the dry-fitted position. Keep the planned overhang. Clamp with cauls, or use compatible 1-1/4 in (31.8 mm) pins or brads only to hold the glued layers while curing.

Keep the cutter path clear

Check nail length against the actual two-layer thickness and aim away from the show face. Place any metal fasteners well inside the material that will remain. Mark their positions and keep the outer flush-trim path entirely metal-free.

Cured rim / Bearing-guided router bit

Let the disk guide the cutter

After the glue cures, use the already-round disk edge as the bearing reference. Choose a bit with its bearing at the correct height to follow that original disk while its cutting edges remove only the added blocks' overhang.

Keep the router stable

Support the router base so it cannot tip off the narrow rim; provide a broad, secure support at the same level where needed. Work in controlled passes and inspect the complete circumference. Do not sand or cut into the disk to hide an undersized block.

2 in (50.8 mm) iron-on veneer banding

Bond around the curve

Remove dust. Centre the wide banding on the thickened outside edge with a little overhang on each side. Follow the adhesive maker's heat and pressure directions and work around the curve, keeping the iron sole on the edge, not the veneer face.

Trim after cooling

Press the heated band firmly into place, let it cool, then trim its two margins flush with the faces. Work with the veneer grain to avoid tearing it. Lightly ease the sharp edge without cutting through the thin band or face veneer.

C × 8 / Four two-layer legs

Laminate the longer blanks

Glue pairs of the 19-3/4 in (501.7 mm) rough leg blanks face to face. Align their long edges, clamp them flat, and let the adhesive cure. Band the exposed long edges, then trim and ease the banding.

Cut the finished length

Make parallel 25 degree end bevels across the laminated thickness. Finish each leg at 18-1/2 in (469.9 mm) along either long side. The extra blank length is trimming allowance. Compare all four legs side by side before moving on.

Four matched plywood pairs / Glue / Flat cauls

Spread the glue evenly

The two broad plywood faces form the joint; a decorative edge strip cannot replace this bond. Spread glue over the mating face, pair the blanks, and align them before tightening clamps.

Check both faces

Use opposing clamp pads and protective cauls to keep each pair flat, rather than bowing it. Wipe away squeeze-out while appropriate for the glue. Optional pins can stop sliding but are not a substitute for the glue bond or its cure time.

Cured laminated leg / Veneer band / Edge trimmer

Keep the cutting edge at the margin

Support the leg securely with the banded edge accessible. Let the band cool first. Guide the edge trimmer against the adjacent wood face so its blade removes only the thin overhang. Trim the ends and long margins separately, keeping the blade flush with the wood rather than cutting into veneer.

Work with the grain

Take light passes and reverse approach if the band begins to split ahead of the blade. Finish with a light sanding block. Keep the finished edge flush before the final 25 degree cuts so all legs can seat cleanly against the rails.

D × 2 + E × 4 / Wood glue

Create the notch by layering

For each lower rail, glue two 19-1/4 in (489.0 mm) overlay blocks onto one 42 in (1066.8 mm) continuous strip. Flush the outside ends and leave the centred 3-1/2 in (88.9 mm) gap between the blocks. Use an actual mating rail-width offcut as a snug spacer; do not glue it in.

Leave the joint faces bare

One finished rail turns over so its notch faces down into the other rail's upward notch. Do not edge-band the mating lap surfaces or the edge portions within the joint: extra veneer there prevents the cross from fitting. Band only the exposed edges.

Two lower-rail laminations / Removable width spacer

Keep the gap centred

Dry-fit each overlay pair before gluing. The two equal blocks and the central gap total the continuous strip length. Spread glue on the intended bond areas, keep the spacer clean, and hold all layers flush and flat while curing.

Trim the two rails alike

After curing and edge treatment, make the outer 25 degree cuts shown by the joint geometry. Finish both lower rails at 37-1/8 in (943.0 mm) on the longest edge, keeping the lap centred. Test the two notches together before drilling.

Two finished lower rails / 1-1/4 in ordinary wood screws

Drill the end pockets first

On the underside, drill two pocket holes near each outer end using the jig setting for the actual laminated thickness. These pockets will later receive 2 in (50.8 mm) pocket screws into the legs; do not confuse them with the centre fasteners.

Close the half lap

Glue the mating lap faces, press the rails together at right angles and check that both outer faces are flush. Secure the centre from underneath with 1-1/4 in (31.8 mm) wood screws or compatible brads. Pilot first and check that no tip can break through.

Pocket-hole jig / Stepped bit / Laminated lower rail

Use the measured thickness

Set the guide block and drill-stop collar for the actual laminated rail, following the jig instructions. Clamp the wood firmly against the fence with the pressure pad opposed by the fence. The bit must enter the metal guide sleeve, not the clamp pad.

Test the screw path

Drill a matching scrap joint first. Confirm the pocket and 2 in (50.8 mm) screw reach the leg without emerging through its outer face. Repeat the end-pocket positions consistently on the four lower-cross arms; keep the joint faces free of chips.

F × 1 + G × 2 / 1-1/4 in pocket screws

Keep this cross one layer thick

The 22-1/4 in (565.2 mm) rail runs through the centre. The two 9-3/8 in (238.1 mm) arms butt against its opposite sides, at the midpoint, to form a perpendicular cross. This is not a second laminated half lap.

Bevel and join

Keep the inner ends of the short arms square. Cut 25 degree bevels only on the four outside ends, preserving the specified longest lengths. Drill the centre-connection and outer-end pockets for actual single-layer thickness. Assemble the centre with 1-1/4 in (31.8 mm) pocket screws and check it flat and square.

Upper cross / Lower cross / Four legs

Work upside down

Place the smaller upper cross on a flat protected surface. Position the four legs so the base widens toward the larger lower cross above. Dry-fit all bevelled contacts; every leg end should sit flush, without twisting the crosses out of plane.

Choose the screw by joint

Fasten the single-layer upper-cross ends to the legs with 1-1/4 in (31.8 mm) pocket screws. Fasten the laminated lower-cross ends with 2 in (50.8 mm) pocket screws. Do not use 2-1/2 in (63.5 mm) screws: they can pierce the legs.

Base frame / Long driver bit / Protective supports

Bring the joints together

Support the frame securely as you turn it to reach the pockets. Clamp each joint with opposing pressure across its mating faces, then drive the correct screw until snug. Do not use screw force to drag an open bevel into alignment.

Check the base on a flat surface

After all four legs are fitted, turn the base upright. All lower contact areas should sit evenly and the upper cross should be level. Check the crosses remain perpendicular and the frame does not rack. Correct any poor fit before finishing.

Completed base / Detached top / Furniture wax

Prepare the surfaces

Remove glue residue, ease sharp corners and sand gently with the grain without exposing the plywood core. Keep the top and base separate so their undersides and inner faces remain accessible. Vacuum and wipe away dust as required by the finish.

Apply a light wax finish

Use furniture wax suitable for the veneer and follow its application, buffing and curing instructions. Test on an offcut first. Wax gives a natural appearance but is not a spill-proof coating; use coasters and wipe spills promptly.

Finished parts / 1-1/4 in ordinary wood screws

Protect the show face

After the finish has cured, set the top upside down on a clean soft surface. Place the inverted base on it with the smaller upper cross touching the underside. Find the disk centre and align the cross centre; compare overhangs in opposite directions.

Plan safe screw locations

Mark attachment holes through the upper-cross arms where they bear fully on the 3/4 in (19.1 mm nominal) disk. Keep clear of pocket holes and their screws. The thickened rim is outside this attachment area and must not be mistaken for the top thickness here.

1-1/4 in (31.8 mm) wood screws / Pilot bit / Driver

Check the complete depth stack

Pilot through the upper-cross rail into the disk with a depth stop. At nominal thickness, a 1-1/4 in screw passing through a 3/4 in rail enters the 3/4 in disk by about 1/2 in (12.7 mm). Verify actual screw projection; deep countersinks reduce the remaining face clearance.

Drive only until snug

Hold the base centred, then drive the screws straight through the rail into the top. Use low torque near the end and do not bury the heads excessively. Optional feet must also have safe screw depth. With help, lift and turn the finished table rather than dragging it.

Indoor coffee table / Bare top / Level floor

Inspect before everyday use

Check for wobble, loose joints, proud screw tips, sharp edges and loose veneer. The upper cross must sit firmly against the top. If the table rocks, establish whether the floor or base is uneven before altering any component.

Use and care

Keep the table indoors and dry. Lift it by supported structural members with help, not by pulling the overhanging edge. Use coasters, avoid concentrated loads at the rim, and recheck fasteners and banding periodically. No load rating is claimed.

Final checklist

Confirm the four legs match, the lower half lap is flush, the upper cross is flat, and all screw lengths match their joints. Nothing should protrude into the show face or through a leg. Verify that every glued joint has cured and all finishing products are ready for use.

If a joint does not fit

Stop rather than forcing it together. Check the part label, long-point measurement, bevel direction, actual plywood thickness and any unwanted banding within the lap. A gap caused by an incorrect cut is not repaired by a longer screw.

Keep the dimensions intact

Do not enlarge this into a dining table or use it as seating. A larger top, taller legs, different material or changed base footprint affects the structure and needs a new design. Keep your measured cut notes and finish information for later care.