'The Growing Business' Bundle pack: 4 Mini + 4 Original Midi 3D Squares
'The Growing Business' Bundle pack: 4 Mini + 4 Original Midi 3D Squares
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- Free delivery to the UK and USAUsually sent within 5 working days, then 2 to 5 working days in the post.
- 14 days to return itUnused and in its original packaging. You pay the return postage.
- Manufactured in SheffieldCNC cut from 12 mm board in our own workshop, where we use them daily.
In the box: 4 Mini squares and 4 Midi squares. Flat packed with screws and a postcard with QR code links to the assembly videos. Clamps are not included. You will need a drill and a 2.5 mm or 3 mm bit to pilot the screw holes after push fitting the parts together.
Includes: Four Original Midi 3D Squares + Four Mini 3D Squares
For: Expanding joinery workshops and growing trade teams ready to scale efficiently.
Scaling up doesn’t need to mean buying expensive jointing systems for every new hire.
The Growing Business Bundle Pack equips your whole team with proven, high-accuracy tools that cut setup time and guarantee square, repeatable results across every project.
Get your team cutting square straight off the saw — from carcases and drawer boxes to mitred cornices and face frames. Predictable quality, rapid production, and growing profits start here.
IMPORTANT: After initial push-fit assembly, all screw holes must be piloted to the full depth of the screw using a 2.5mm or 3mm drill bit (not included).
Why It Works
Hold parts tight and square in three dimensions, then direct-screw the joint from the outside knowing everything will stay perfectly aligned.
No Dominos, no Lamellos, no biscuits, no marking out — just clean, reliable results every time.
Compatible with Festool, Makita, and DeWalt-style rail clamps, as well as most Irwin clamps, for quick repositioning and efficient workflows.
For Growing Teams
Outfit your team with proven, workshop-grade jigs
Maintain quality while scaling production
Save on jointing systems without compromising results
Pack Contents
4 × Original Midi 3D Squares
The Original Midi 3D Square is a workshop staple — trusted by furniture makers and fitters for fast, flawless cabinet assembly. Designed for aligning and clamping larger carcases, bookcases, and bridging units with total confidence.
Best for: Cabinets, shelving, bridging units, general assembly
See the full Original Midi 3D Square listing for more information.
4 × Mini 3D Squares
Perfect for smaller projects where the full-sized square won’t fit — from door linings and drawer boxes to studwork and narrow shelving. Despite its shorter height, it delivers the same rock-solid accuracy and ease of use as its larger counterpart.
Best for: Door frames, drawers, compact units, studwork
See the full Mini 3D Square listing for more information.
Specifications
Specifications
Material: CNC-machined from 12mm high-density, moisture-resistant MDF
Dimensions:
- Original Midi 3D Square: Height overall 203mm; 191mm to underside of lip; 18mm lip overhang; Max width of top plate 210mm; width of sides on main body 192mm (fits between 200mm shelf gaps)
- Mini 3D Square: Overall height 101mm; Height (base to lip) 89mm; Top lip overhang 18mm; Top plate width 210mm (both sides); Body width 192mm (fits between shelf gaps just under 200mm)
Packaging: Delivered flatpack with screws included (clamps not included)
IMPORTANT: After initial push-fit assembly, all screw holes must be piloted to the full depth of the screw using a 2.5mm or 3mm drill bit (not included).
Assembly and instructions
Assembly and instructions
Your order includes a postcard with QR code links to the instructional videos. The same videos are linked below.
Instructional videos (assembly and full build guides) are included via QR code provided with product and online links, as below.

Clamps that fit
Clamps that fit
All common styles of rail clamp, including Festool, Makita and DeWalt, plus most Irwin clamps. The Mini square does not take the mini Irwin types. Clamps are not included.

Material choice
Material choice
Both are 12 mm boards, CNC cut, and denser than standard MDF. Grey Valchromat is coloured all the way through and is the material we recommend. Moisture resistant MDF costs less and holds square just as well.
Delivery and lead times
Delivery and lead times
UK: free delivery on every square and bundle. 2 to 5 working days after dispatch. Highlands and islands can take longer.
USA: free delivery on all bundles. Single squares are $30 on orders below $130. 3 to 14 working days after dispatch.
Orders are usually processed within 5 working days, excluding weekends and public holidays. If your order has not arrived within 14 days, please contact us. Full details are in our Shipping policy.
Returns
Returns
Tell us within 14 days of delivery if you want to return an order. Items need to be unused and in their original packaging. You pay the return postage. If anything arrives damaged or wrong, send us a photo and we will put it right.
See our Refund policy for the full terms.
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