SteelShot v0.98 BETA — stair builder · true shop drawings

0 · TEST LOADER (temporary — dies before launch)

Pick a scenario Or paste a custom scenario (JSON)

1 · Job

Job name Code preset

2 · The room + where the stair starts

Wall A — length (in)

Wall B — width (in)

Start point (bottom of stair, at grade/floor)

The green ⬤ START marker on the plan is the bottom of the stair at grade. The path builds up from there.

3 · Stair basics

Floor-to-floor height (inches)

Tread depth (in)

Stair width (in)

Stringer material

Channel depth (in)

Top connection — you give the input, it gives the cut

Connection fastening

Tread attach

Stair pans

Rail fabrication

Bearing length on header (in)

Tread bearing thickness (in)

Seat cut computes from YOUR numbers: depth = channel − (rise − tread bearing) · length = bearing. Math prints on the sketch so the shop can check it. Odd condition? That's the Detailing Package — export it to BA Detailing.

Risers needed: — · placed: — · left: —

4 · Build the path — piece by piece

Add next

Risers in this flight

5 · Railings — which side?

Rails on

Infill

Handrail

Picket width (in)

Max opening (in)

Max post spacing (in o.c.)

Rail height (in, plumb off nosing)

Rails draw on the plan in orange on the side(s) you pick. Rail height feeds the rail sheet (42" guard typ. / 34–38" handrail).

The Excel rows drop into Raj's Dynamo-from-Excel pipeline — that's how this sketch becomes a stamped submittal drawing set.

STEELSHOT SHOP PACKET — DRAFT · · · verify all — engineer of record governs

Plan View — start at the green dot

Flight Table — every piece, per flight

Flight	Risers	Rise ea	Treads	Run	Stringer (2 ea)	Angle
Waiting…

The Math — shown, like always

—

Fab List — copy & send to the shop

Mark	Piece	Qty	Size / length
Waiting on numbers…