BUILD PLAN
A storage shed on skids, 10 x 12 or 12 x 16, framed for 70 psf of snow.
One plan set with both sizes: a gable shed on three pressure-treated skids and a gravel pad, with site-built double doors and a metal roof, framed to the IRC's prescriptive tables for 70 psf of ground snow. Every dimension, cut and count is measured off a 3D model, so each size has its own drawings, cut list and shopping list.
Buy the plan, $49 See what's inside
Emailed within 1 business day, with your name and order number on every page.
At a glance
- Sizes
- 10′ × 12′, 12′ × 16′
- Floor, outside of framing
- 120, 192 sq ft
- Door opening, wide
- 60″, 72″
- Floor to the ties
- 97⅛″
- Ground snow, design
- 70 psf
- Boards to buy
- 102, 123
- Build, est.
- 60¼, 66¾ h
- Skill
- Intermediate
Plan BMX-SH, edition 0.1. Where there are two figures, the first is the 10 x 12. The hours are crew hours for two people with some framing experience. They're first estimates, not yet timed on a build, and leave out shopping, deliveries, weather and paint drying. The shopping list counts everything to buy and gives a dated price for many lines, but not all, so there's no materials total.
What's in the plan
A 44-page plan set on Letter paper. The sheets from C-1 to M-6 come once for each size, so you print only the size you're building:
| Sheet | What it shows |
|---|---|
| G-1 | Cover: key dimensions, boards to buy, build hours and the sheet index |
| G-2 | Before you start: skill level, hours for each stage, tools |
| G-3 | Choosing your size: the two sizes side by side, the permit limits they sit at, and the pages for each |
| C-1 | Design basis and code checks: the loads the plan is drawn to and 20 checks against the IRC 2021 tables |
| D-1 | Skid and floor framing plans |
| D-2 | Dimensioned elevations of all four sides |
| D-3 | Building sections, across and along the ridge |
| D-4 | Roof framing and the rafter pattern |
| D-5 | Wall framing: every stud and opening |
| D-6 | Doors: the frames, the trim and the hinges |
| M-1 | Cut list: every blank lettered, with its size, in build order |
| M-2 | Cutting layouts: each board drawn to scale, with saw kerf, trim and offcuts |
| M-3 | Shopping list: everything to buy, counted off the model, with dated prices where we found them |
| M-4 | Connectors and fasteners: every one, where it goes and whether it shows |
| M-5 | Framing connections: how every joint is made |
| M-6 | Doors, windows and vents: rough openings, heights, headers and jacks |
| B-1 | Build sequence: 11 steps, each with its crew hours |
| H-1 | Permits, the site and care |
| Z-1 | Licence, edition and notes |
With it come:
- the twelve D sheets at 11×17, to scale, for a print shop;
- the shopping list and cut list for each size as spreadsheets (CSV);
- a 3D model of each size as a .glb file, which opens in any 3D viewer, and as a .blend file for Blender, with its parts in collections by build phase.
Sample pages
Two sizes, one plan
Both sizes included
The 10 x 12 and the 12 x 16 each have their own drawings, cut list, shopping list and 3D model. You don't have to choose before you buy.
Sized around the permit limits
Measured to the outside of the framing, the 10 x 12 fits the 120 sq ft limit many counties use, and the 12 x 16 fits the 2021 IRC's 200 sq ft.
Every code check listed
20 checks for each size against the IRC 2021 tables, each with the model's value, the limit, the result and the section. 18 are met and 2 are marked to confirm.
Measured, not drawn by hand
Every number is read off the 3D model by script, so the drawings, the cut list and the layouts can't disagree.
A layout for every board
Every board drawn to scale with kerf and trim, and every blank lettered to the cut list.
Hours, not guesses
Crew hours for each of the 11 steps, worked out from the pieces the model counts.
The frame
Before you buy
- Skill: intermediate. You'll level a gravel pad and set skids square, frame walls to a layout and raise them, cut rafters from a pattern, work on a ladder about 12 feet up, and build and hang a pair of doors.
- Check your county first. Many counties exempt a detached one-story accessory building up to 120 sq ft, and the 2021 IRC up to 200 sq ft, but your county sets its own limit, and setbacks, height limits and covenants apply either way. Ask before you build and get the answer in writing.
- 70 psf is the limit. The frame is drawn to 70 psf ground snow, the most the IRC's prescriptive rules allow. Where your county sets more, the frame has to be engineered.
- Not engineered or stamped. Two checks on C-1 are marked to confirm because we haven't yet read the rule they rest on: rafter bearing (R802.6) and LP's 6-inch grade clearance. Wind and seismic design are your county's, and the ground anchors drawn are the minimum.
- Skids, not footings. The shed sits on a gravel pad with no frost footings and rides with the ground, so the site has to drain away on every side.
- Storage only. The shed has no electrical, plumbing or heat, and the ties carry light storage on boards, not a floor.
- Not fully priced. The shopping list gives every item and quantity, with a dated price for many lines. Much of the framing lumber has no price yet, so there's no materials total. Price it at your own suppliers.
- Two sizes, in inches. For another size, our 3D modeling service can model one to your measurements.
How ordering works
- Pay $49 through Stripe's secure checkout, and tell us the name to print on your plan.
- We build your copy, with your name and order number on every page.
- We email it to you within 1 business day: the plan, the 11×17 drawings, the spreadsheets and the 3D models for both sizes.
If anyone finds a mistake in this edition, we correct the plan and email the new version to everyone who bought it.
Licence and refunds
The plan is for one build, by you, at one site, in the size you choose. Print it as often as you need and share it with your building department and the people helping you build that shed. Please don't resell, share or post it, or use it to build sheds for sale; for that, email us about a builder licence.
You can have a full refund any time before we email your files. After that we fix rather than refund: if the plan has an error, we correct it and send it again at no charge, and if we can't fix it, you get your money back. Our terms and refund policy have the details.
Common questions
Do I get both sizes?
Yes. One purchase covers the 10 x 12 and the 12 x 16, each with its own drawings, lists and model. The licence covers building one shed.
Is it stamped?
No. Belmaix doesn't engineer or stamp drawings. The framing follows the IRC 2021 prescriptive tables, and C-1 lists every check, for your building department or an engineer to read.
Can I open the 3D model?
Yes. The .glb file opens in most 3D viewers, including free ones that run in a web browser, and the .blend file opens in Blender.
Why isn't it an instant download?
Because each copy is made for its buyer, with your name and order number on every page. It reaches you by email within 1 business day.
What if I find a mistake?
Email info@belmaix.com. We fix the plan and send the corrected version to everyone who bought that edition.
Get the plan.
$49, emailed within 1 business day with your name on every page.
Buy the plan, $49Questions first? Email info@belmaix.com.