About these parts

Discs, rings, squares, rectangles with radiused corners, triangles, hexagons, slots and other plain shapes, sized by you.

Who orders them: Anyone who needs plain blanks: fabricators, makers, schools and engineering shops.

Open any design below in the Nesting Studio, type in your sizes, holes and quantity, and the price updates as you go. Identical parts share one part mark and are nested together on the sheet.

Designs in the shape library

RectanglePlain rectangular plate.
SquarePlain square plate.
Rounded rectangleRectangle with radiused corners.
Chamfered rectangleRectangle with chamfered (cropped) corners.
Circle / discSolid disc, optional centre hole.
Ring / annulusAnnular ring.
EllipseEllipse of width w and height h.
Regular polygonRegular polygon with n sides, sized across flats or across corners.
HexagonRegular hexagon, sized across flats or corners.
OctagonRegular octagon.
TriangleTriangle from three side lengths (a = base), or right-angled from base and height.
Isosceles trapeziumIsosceles trapezium: bottom width w, top width w2, height h.
ParallelogramParallelogram: base w, height h, horizontal offset s.
Rhombus / diamondRhombus from its two diagonals.
L-shapeL-shaped plate with leg widths a (vertical leg) and b (horizontal leg).
T-shapeT-shaped plate: flange depth tf at top, stem width tw.
U-shapeU-shaped plate: legs of width a, base depth b.
Z-shapeZ-shaped plate: top and bottom flanges of depth t joined by a web of width t.
Cross / plusCross / plus shape with arm width t.
StarStar with n points, outer and inner radius.
ChevronChevron (V stripe) of overall width w, height h and bar thickness t.
ArrowArrow: shaft width sw, head length hl, overall w x h.
SemicircleHalf disc of diameter d.
SectorCircular sector of radius r and included angle a.
Annular sectorCurved plate: annular sector between inner and outer radii over angle a.
Circular segmentCircular segment: chord length w and rise h.
Slot / obroundObround (full radius ends).
Stadium (two holes)Stadium plate with a hole in each end.
CrescentCrescent: outer disc minus an offset inner disc.
HeartHeart shape of overall width w.
D-shapeD-shape: rectangle with a semicircular end.
Rounded triangleEquilateral triangle with radiused corners.
Quarter circleQuadrant of radius r.
Rounded regular polygonRegular polygon with every corner radiused: number of sides, size across corners and corner radius.
Reuleaux triangleCurve of constant width built from three arcs: every width across it is the same.
Reuleaux polygon (5, 7 or 9 sides)Odd-sided curve of constant width, like a seven-sided coin.
SuperellipseLamé curve between an ellipse and a rectangle: width, height and squareness exponent.
SquircleSquare with continuously curving sides, softer than a radiused square.
Concave-sided square (astroid)Four-pointed shape with inward-curving sides; the curve depth sets how pinched it is.
Cardioid (heart curve)Smooth heart-like curve with one dimple, as traced by a point on a rolling circle.
Dimpled oval (limaçon)Oval with a shallow dimple on one side.
Flower, n petalsRounded flower outline with a chosen number of petals and petal depth.
Scalloped-edge discDisc whose edge is a ring of round scallops meeting in points.
Castellated discDisc with square notches cut round the edge, like a castellated nut or a crown.
Wavy-edged discDisc with a smooth wavy edge: number of waves and wave height.
CloudCloud outline: flat base and a row of round puffs on top.
TeardropTeardrop outline: round base and a pointed tip; size and tip length.
Egg shapeEgg outline, fuller at the base than the top.
Four-centre ovalClassic four-arc (four-centre) oval as drawn by architects and joiners, smoother than a racetrack.
Lens (vesica)Pointed lens made of two circular arcs: length and width.
KiteKite quadrilateral: width, height and where the cross-piece sits.
Right-angled trapeziumFour-sided plate with two right angles and one sloping side: bottom width, top width and height.
House shape (gable)Rectangle with a pitched roof: width, wall height and roof pitch.
Heater shieldClassic heraldic shield: flat top, straight sides curving to a point.
Shield, rounded baseShield outline with a flat top and a semicircular base.
Gothic (pointed) arch panelPanel with a pointed Gothic arch top: width, side height and arch sharpness.
Ogee arch panelPanel with an ogee (S-curve) arch rising to a point.
Double-headed arrowArrow with a head at each end: length, head width and shaft width.
Curved arrowArrow bent round a curve: radius, sweep angle and band width.
Lightning boltZig-zag lightning bolt outline.
Speech bubbleRounded rectangle with a pointed tail at the bottom left.
Speech bubble, roundElliptical speech bubble with a curved tail.
Jigsaw puzzle pieceSquare jigsaw piece with two knobs out and two sockets in.
Maltese crossEight-pointed cross of four flared, notched arms.
Latin crossCross with a longer lower arm: height, arm span and bar width.
Cross pattéeCross with arms that flare out from a narrow centre.
Celtic crossCross with a ring round the crossing; the four gaps inside the ring are cut out.
Rounded-end crossPlus-shaped cross with fully rounded arm ends.
Sun with raysDisc with separate triangular rays joined at their base: number and length of rays.
Star with rounded pointsStar outline with radiused points and valleys.
Decorative cogCog wheel outline with trapezoid teeth for signs and decoration (not a working gear).
Hourglass / bow tieTwo triangles meeting at a waist: width, height and waist width.
Elongated hexagonHexagon stretched to a length with pointed ends.
Elongated octagonRectangle with equal clipped corners making a stretched octagon.
Figure-eight plateTwo overlapping discs joined at a waist, each with its own hole.
Peanut (Cassini oval)Smoothly waisted oval: length and how deep the waist is.
Disc with two flatsCircular disc with two parallel flats: diameter and size across the flats.
Curved bar (arc strip)Bar bent to a radius with rounded ends: radius, sweep and width.
Plate with semicircular edge notchRectangle with a round notch in one long edge, for a pipe or cable to pass.
Plate with V notchRectangle with a V-shaped notch in one edge: notch width and depth.
Fork / open-slot end platePlate with an open round-ended slot from one end, like a fork end.
Ticket shapeRectangle with a round bite out of each corner, like a ticket.
Semi-ellipseHalf an ellipse on a straight base: base width and height.
Parabolic segmentArea under a parabola on a straight base: base width and height.
Square frameSquare frame of equal width all round.
Rectangular frameRectangular frame of equal width all round.
Rounded rectangular frameRectangular frame with radiused corners inside and out.
Hexagonal frameHexagon with a hexagonal window.
Octagonal frameOctagon with an octagonal window.
Triangular frameEquilateral triangle with a triangular window.
Star frameFive-pointed star with a star-shaped window.
Heart frameHeart outline with a heart-shaped window.
Diamond frameDiamond (rhombus) with a matching window.
Oval frameElliptical frame of equal-looking width.
Arched frameRound-topped panel with a matching round-topped window.
H shapeH-shaped plate: width, height, leg width and bar width.
E shapeE-shaped plate with three arms: width, height, spine and arm widths.
F shapeF-shaped plate: width, height, spine and arm widths.
Open ring (C shape)Ring with a gap cut through one side: outside and inside diameters and gap width.
I-section profile templateFlat I-section outline with root radii: depth, flange width, web and flange thickness. For blanking plates, templates and signs.
Wave stripStrip of even width with rounded ends that follows a sine wave: length, wave height, number of waves and strip width.
Zig-zag stripStrip of even width that zig-zags: length, zig-zag height, number of peaks and strip width.
Castellated stripStrip with square teeth along one edge: length, height, tooth count and tooth height.
Comb stripStrip with long narrow fingers along one edge.
Sawtooth stripStrip with sloping saw teeth along one edge.
Plate with one wavy edgeRectangle whose top edge is a smooth wave.
Plate with scalloped edgeRectangle with a row of round scallops along the bottom edge, like a canopy valance.
Plate with square notched cornersRectangle with a square notch cut from each corner, as for a folded tray.
Bar with pointed endFlat bar with a symmetrical point at one end: length, width and point length.
Fishtail-ended barFlat bar with a V cut into one end, as for a building-in holdfast.
Bar with one rounded endFlat bar with a fully rounded end and a square end.
Tapered barFlat bar that tapers from one width to another along its length.
Spiral stripFlat spiral of even width: number of turns, gap between turns and strip width.
TrefoilSolid three-lobed Gothic trefoil.
QuatrefoilSolid four-lobed Gothic quatrefoil.
CinquefoilSolid five-lobed Gothic cinquefoil.
Tetromino blockOne of the seven four-square puzzle blocks: I, O, T, S, Z, L or J.
Arrow with notched tailArrow with a pointed head and a swallow-tail notch at the back.
Double chevronTwo nested chevrons joined into one piece by a thin web.
Interlaced triangles frameTwo triangular frames laid over each other into a six-pointed star outline.
Scallop shellFan-shaped scallop shell with radiating rib slots and a hinge base.
Disc with spiral slotRound disc with one continuous spiral slot cut into it.
Kidney beanSmooth kidney-bean outline: a soft oval with one inward curve.
Isometric cubeHexagon divided into three rhombus cut-outs so it reads as a cube.
Infinity loopInfinity symbol cut as a band with two open loops.
Three linked ringsThree overlapping rings in a row, cut as one piece.
Triquetra knotThree interlaced pointed loops (triquetra), cut as one band.
Seed of lifeSeven overlapping circles drawn as bands inside an outer ring.
Moon and starCrescent moon with a star in its curve, joined by a bridge.
Circular arrowsTwo curved arrows chasing each other round a circle, joined at the centre.
KeyholeSolid keyhole shape: a round head on a tapered tail.
Octagram (eight-point star)Eight-pointed star made from two overlapping squares.
Half ringHalf of a flat ring, with square ends.
Ring with tabsFlat ring with square tabs projecting outward, each with an optional hole.
Pentagon frameRegular pentagon with a pentagon cut out, leaving an even border.
ArrowheadArrowhead with a notched back, like the tip of an arrow.

Typical prices

Worked out live from current rates for parts like these in mild steel, ex VAT. Click a row to open it in the Nesting Studio and change it.

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Materials and related parts

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