Open core: don’t reinvent the wheel — build your fenestration software on ours.

Category - Drawings, Design & Cross-Sections

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Reading window & door drawings
Shop drawings (hand-sketched or CAD) describe a unit so it can be re-built in OpenJanela. This chapter covers how to read the symbols and dimensions on a drawing. What a drawing must convey Series — which product line to build in. (If absent, the series selected on screen is used.) Internal dimensions — overall internal […]
DXF export of an item
An order item can be exported as a DXF drawing for CAD. The DXF is drawn by the same code that paints the item on the designer canvas, so it always matches what you see on screen. What the DXF contains Two views side by side, each with a title: the outside view and the […]
Shaping one frame of a coupled unit
In the item designer’s Shapes panel, the two radios at the top choose what a shape is applied to: Overall — the whole unit takes the shape. On a coupled unit this removes the couplers and the unit becomes one shaped frame. Frame — only the frame you click takes the shape. The couplers stay, […]
Grids & the SUH (sealed-unit) setback
SUH (Sealed-Unit Height) on the grids table is a setup-time distance that pushes the topmost horizontal grid line down from the top edge of the glass, so the grid pattern starts below the sealed unit’s top line instead of running all the way to the glass edge. It is a property of a grid template, […]
Sealed units with an optional thickness
Some sealed units are sold build-to-suit: the glass make-up is fixed, but the overall thickness changes with what the opening needs. Rather than creating a separate sealed unit for every thickness, mark the sealed unit as having an optional thickness and the system will ask which thickness is required each time it is used. Setting […]
Standard Size mode & mullion centering
Standard Size mode (the Std button on the item designer’s top panel) lets you type per-frame width/height values directly instead of dragging on the canvas. Pressing Set commits those values and rebuilds the affected frame’s geometry. What changed When the frame you resize contains a plain mullion dividing it into openings (not a coupler, which […]
Cross-section drawings (X-sections)
A cross-section is a sliced view through a designed unit — the drawing you would see if you cut the window or door straight through and looked at the cut face. It shows the profile sections (frame, sash, glazing bead, sealed unit, weather-strip bulbs, setting blocks) at the cut plane, with dimension lines. Order entry […]
Step 1 — the X-section unit part
Each drawable section is a Unit Part whose job is to carry the artwork: Create a Unit Part for the part in question (one per section image you want to be able to draw — a frame profile, a bead, a bulb, a full block slice…). Attach the SVG or DXF image of the section […]
Step 2 — the placement rules (rule types 301–320)
X-section rules live on the series like any other rules (see Writing a rule), with two X-section-specific choices: Rule field X-section values Level Overall, Facet, Frame, Sash, Glass, Glz Bead, Grid, BkgroundOp, Opening, Divider, Coupler, or Mullion — the design-tree node whose section this rule places. Position Top, Bot, L, R, V, or H — […]
Cross-section sheets
A cross-section sheet is a printable page for one item, laid out like a drawing set: a small key elevation of the item (not to scale) with the cut lines and their letters — only the lines of the sections on that page, so a section moved to another page (or removed) takes its line […]
Troubleshooting — "the cross-section is empty or wrong"
Nothing draws at all. The series has no X-section setup: confirm the Unit Part exists and its rules (level/position) match the node you expect the section on — frame vs sash vs mullion is the usual mismatch. The part has artwork but still nothing draws. Check the image is SVG — DXF is stored but […]
Drawing a cross-section on a design
Turning the buttons on The V / H / × buttons are hidden until the company preference Show cross-section buttons (V / H / X) (Company Preferences → Quoting & order entry) is switched on. It is off for every company by default; turn it on once the series have their X-section parts and rules, […]
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