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Saddle Square With Centreline Scribe Holes
A wrap-around saddle square that sits over a board's corner, so you can mark one continuous square line across the face and down the edge. It has a 60 mm face leg and a 40 mm edge leg, is 40 mm wide and 5 mm thick, and has a relieved inside corner so it seats over a rough or eased edge. The 2.4 mm scribe holes for an awl or a 2 mm lead holder do two jobs. Slide the square along the board with a point in a hole and it works as a line gauge at 10–50 mm in from the edge. The holes at 9.5 mm and 19 mm mark the centre of 3/4 in (19 mm) stock and 2x lumber (38 mm).
Five-Pattern Bolt Circle Marking Disc
This is a 128 mm layout disc for marking flange and wheel bolt circles without dividers or trig. It has five raised guide rings: 3 holes on a 40 mm circle, 4 on 60 mm, 5 on 80 mm, 6 on 100 mm and 8 on 117 mm. Every ring has one hole on the 0° line. All holes and the centre pivot are 3.4 mm, so a scribe, an awl, a 1/8 in punch or a 3 mm drill fits through each one. The 5 mm thick rings keep the tool upright as you mark. V-notches every 90° and ticks every 15° let you line the disc up with drawn centre lines.
Steel Rule Clamp-On Square Head
A clamp-on combination-square head that fits any flat steel rule 12–32 mm wide and up to 2 mm thick. It gives the rule a 90° reference face and a 45° mitre face, so a loose ruler works as a try square, mitre square or depth gauge. The head is 80 x 38 x 18 mm. An M5 bolt runs through a 5.5 mm clearance hole into a captured M5 hex nut (8 mm across flats, pocket allows up to 5 mm thick) and locks the rule against the slot's end wall. The 90° face prints on the bed, so it comes out flat.
Picture Hanging Hook-And-Mark Transfer Tool
This is a 160 x 20 x 12 mm marking stick for hanging pictures. Catch the frame's wire or D-ring on the hook seat, hold the frame against the wall where you want it, then press. An M3 screw driven into a 2.6 mm self-tap bore sits directly behind the seat, and its tip scratches a mark exactly where the nail goes. No measuring, and no holes in the wrong place. The tool prints on its side, so the frame's weight loads the hook in the XY plane instead of across the layer lines. The 8 mm wide seat takes picture wire, D-rings and sawtooth hangers.
Mason's Line Corner Block
An L-shaped string-line block that hooks over the corner of a brick course, board, fence rail or raised-bed frame. A 1.6 mm loading kerf holds the line flush with the face, and a tapered jam slot on the back locks the wrapped line without a knot, so line tension pulls the block tight against the corner. Print two for a run. The block is 55 x 50 x 30 mm, the face leg is 45 mm long, and the hook leg reaches 40 mm around the end. It takes standard #18 braided mason's line up to about 1.5 mm.
Framing Square Stair Gauge Pair
A pair of 28 mm stair gauge knobs that clamp onto the edge of any steel or aluminium framing square. Each has a 5 mm slot that takes blades up to about 4.5 mm thick, plus an M5 thumb screw and a drop-in captive M5 nut. Set one gauge at the rise and one at the run, and every stringer notch, rafter seat or repeated angle transfers identically. They print as two knobs joined by a snap-off sprue bar.
Pipe And Dowel Straight-Line Marking Saddle
This 120 mm inverted 90° V-saddle sits on any round stock from about 8 to 40 mm OD, including 8 mm rod, dowels, 1/2–3/4 in EMT and 1/2–1 in Sch 40 PVC (21.3 / 26.7 / 33.4 mm). Because the V always centres itself, a pencil run through the 100 mm slot at the apex draws a line exactly along the top of the tube. Rim ticks every 10 mm let you mark evenly spaced, in-line drill points for drip manifolds, dowel pins or cross-bolt holes.
150 mm Metric Rafter Speed Square
A 150 mm metric speed (rafter) square. The 12 mm lip hooks over a board edge so you can mark square cuts. It has engraved degree ticks every 5° swinging from the pivot corner, a mm scale every 10 mm, and 3 mm scribe holes 20–120 mm in from the fence for drawing parallel lines with a pencil or scribe. The open-frame triangle keeps it to about 43 cm³ and prints flat with no supports.
Print-In-Place Contour Profile Gauge
A print-in-place contour (profile) gauge: 27 sliding pins on a 3.2 mm pitch copy an 86 mm wide profile up to 26 mm deep, so you can trace pipe, moulding, skirting or a tile cut-out straight onto the workpiece. Body is 110 x 18 x 48 mm with a 5.5 mm M5 clearance hole through one end post for hanging on a nail or pegboard hook; pins print standing on the bed inside a closed channel and drop to full extension when you hold it pin-side down.
Round Stock Center Finder
A 90 mm V-jaw layout plate that drops over the end of any round bar, dowel or pipe from about 9 to 70 mm diameter; scribe through the long centre slot, rotate the stock 90° and scribe again — the crossing point is dead centre. The 8 mm deep V lips self-centre the tool so it can't rock off the end face.