The reference shelf
Dimensions, clearances, and the design rules behind them — the same research-verified data Poché places on your floor plan, written down so you can check a number without opening the editor.
Apartment sofa to 140-inch U-shape — standard sizes, the clearances that make a living room work, and whether it fits through the door.
How many people actually fit — the 24-inches-per-diner rule, honest seat counts for rectangular and round tables, and the space behind the chairs.
US mattress dimensions, why the frame adds 2–5 inches per axis, and the walkways a bedroom needs — including the king-in-a-12-foot-room math.
Will a queen fit in a 10×12? A king in a 12×12? Honest wall-math for the bedroom sizes builders actually draw, with the worked example.
Standard sizes from 3×5 to 9×12 and the three placement rules — front-legs-on, chairs-stay-on, and the bedroom reveal.
Sizes are diagonals — a 77-inch TV is 67 inches wide. Real panel dimensions, the 1.2–1.6× distance rule, stand widths, mounting height.
The 42-inch work aisle, island sizes with the room they really take, stool math, and what "counter-depth" actually means.
Real footprints for racks, treadmills, and rowers — with the safety zones that matter and the ceiling check people forget.
Washer and dryer sizes, what stacks, closet minimums, and the 36-to-48-inch work zone that makes laundry day bearable.
An 8-foot table needs a 17-foot room — the cue decides. Honest room-size math for 7, 8, and 9-footers, plus the rest of the rec room.
Doorway widths, the tilt trick, why sectionals win, and the hallway turn nobody measures — the honest geometry of delivery day.
Crib, glider, and changing-table sizes, the clearances between them, and the placement rules that aren't style choices.
Dining sets, grills, fire pits, hot tubs, and play equipment — the deck is a room, with the same clearance rules and higher stakes.
Widths, heights, thickness and rough openings — plus the clear opening that decides whether the sofa actually gets in.
Fixture footprints, the clearances that are code versus the ones that are comfort, and why almost every full bath is 5 × 8.
Sofa-to-table, walkways, the eight-foot conversation limit, and the four layouts real rooms actually take.
Why every closet is 24″ deep, rod heights and hanging lengths, and the smallest walk-in that actually works.
Measured along the walls, not as a bounding box — chaise, L and U sizes, the corner-seat truth, and why the pieces always fit the door.
NO GUIDE MATCHES THAT — YET. MORE SHEETS ARE ON THE BOARD.
Every dimension in these guides is a stencil in the editor. Upload the plan you already have and place the real thing — clearance halos included.
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