Block On Surface (BOS) — TenEnhancements for Rhino 3D

Key Features

Block On Surface gives you full surface-aware placement with real-time preview. Edit block instances in context with camera fly-to animation.

◼
Surface-Aware Placement
Click on any Brep surface to place block instances aligned to the surface normal.
►
Real-Time Preview
See block orientation live as you move across the surface before committing placement.
★
Orient On Surface
Reorient existing block instances to match a new surface position and normal.
⚙
In-Context Editing
Edit block instances already placed on surfaces with camera animation and snapping.
🎥
Camera Animation
Smooth fly-to camera animation when selecting blocks for editing on surfaces.

Navigate between block-surface pairs with keyboard shortcuts.

F1

Previous Pair

F2

Next Pair

F3

Reset View

F4

Confirm Edit

Type these commands in the Rhino command line to use Block On Surface.

Command	Description
`Ten_BlockOnSrf`	Place a block instance on a selected Brep surface with normal alignment
`Ten_OrientOnSrf`	Reorient an existing block instance to a new surface position and normal
`Ten_EditBlockOnSrf`	Edit a block instance already placed on a surface with camera animation

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