Description: This article explains how to place dimension endpoints, use snapping, reposition endpoints and labels, delete dimensions, manage visibility, and review Custom Dimensions on Web.

Reviewed for Flex Version 3.0

Estimated Read Time: 6 minutes

Flex automatically displays many measurements generated from the floor plan.

Custom Dimensions allow you to add additional reference measurements when you want to call attention to a specific distance or condition.

Custom Dimensions can be useful for documenting:

Custom Dimensions are part of the Markup layer.

They do not change:

Use automatic dimensions to understand modeled geometry. Use Custom Dimensions to call attention to measurements that matter to the project.

Custom Dimensions are created and edited in the RENDR iOS app on iPhone and iPad.

In Flex 3.0, existing Custom Dimensions can be viewed on Web, but Web does not provide tools to create or edit them.

On iPhone or iPad:

Custom Dimensions are managed within their own annotation category in Markup Mode.

You can create a Custom Dimension using either of two methods:

Both methods create the same type of Custom Dimension.

Custom Dimension endpoints look for nearby reference geometry as you place or reposition them.

Endpoints can snap to:

Snapping helps position the endpoint directly on the intended plan reference.

The feature inventory does not describe Custom Dimensions as permanently attached to the underlying geometry. Review the dimension after making later floor-plan edits to confirm that it still communicates the intended measurement.

To place an endpoint precisely:

Zooming in makes it easier to distinguish between nearby snap targets.

Custom Dimensions can snap to 5-degree angle increments.

This can help keep horizontal, vertical, and angled dimensions visually consistent.

To change the angle-snapping setting:

Use angle snapping when you want the dimension line to follow regular angle increments.

Turn it off when the endpoints should remain at their exact selected locations without angle correction.

Move an endpoint when the dimension begins or ends at the wrong location.

Moving an endpoint changes the distance represented by the Custom Dimension.

The dimension label can be repositioned independently from the endpoints.

To move the label:

Moving the label changes only where the measurement is displayed.

It does not change the endpoint locations or the measured distance.

To remove a Custom Dimension:

With a connected hardware keyboard, you can also press:

Only the selected Custom Dimension is removed.

Custom Dimensions have their own annotation panel.

Use the panel to:

The Clear All action applies only to the Custom Dimensions category.

It does not remove Freehand, Symbols, Pinned Notes, or Text.

Custom Dimensions can be shown or hidden from Layers.

To hide them:

To display them again:

Hiding the layer does not delete the dimensions.

Layer visibility is saved on the device.

Use Undo when you accidentally create, move, or delete a Custom Dimension.

To reverse an action:

To restore an undone action:

Hardware keyboard shortcuts:

Undo and Redo are unavailable in View Mode.

Automatic dimensions are generated from modeled floor-plan geometry.

Depending on the selected feature or editing context, they may display measurements associated with:

Some automatic dimension labels may also act as editing controls.

Custom Dimensions are intentionally added by the user.

They:

When you are finished working with Custom Dimensions:

Custom Dimensions document the plan.

They do not replace Layout or Flooring tools.

Custom Dimension creation and editing are supported.

You can:

Zoom in before working in crowded areas.

The same Custom Dimension workflow is supported on iPad.

Annotation controls appear in a collapsible slide panel.

The larger display can make precise endpoint placement and label positioning easier.

Custom Dimensions created in the iOS app can be displayed on Web.

In Flex 3.0, Custom Dimensions are view-only on Web.

Web does not allow users to:

Open the Space in the RENDR iOS app to make changes.

💡 Zoom in before placing endpoints near closely spaced geometry.

💡 Move endpoints close to the intended corner, edge, or face so Flex can apply the available snap.

💡 Keep angle snapping enabled when you want clean, regular dimension angles.

💡 Move the label instead of an endpoint when the measurement is correct but difficult to read.

💡 Review Custom Dimensions after making major floor-plan edits.

💡 Add only the reference measurements that help someone estimate, design, review, or build the project.

Open Markup Mode, choose Custom Dimensions, then either tap two endpoints or press, drag, and release.

Endpoints can snap to nearby corners, edges, and faces.

The feature inventory confirms snapping to corners, edges, and faces but does not identify specific supported object types.

Place the endpoint near the intended reference and review the completed measurement.

You can move either endpoint.

You can also reposition the label independently.

No.

Moving the label changes only where the measurement text is displayed.

Yes.

The measurement reflects the distance between the two endpoint locations.

Yes.

Turn the Custom Dimensions layer off in Layers.

Yes.

Use Clear All from the Custom Dimensions annotation panel.

No.

Web displays existing Custom Dimensions in Flex 3.0 but does not provide creation or editing tools.