Precisely placing inserted blocks Inserting blocks often requires exact alignment to endpoints, centers, and intersections. Which setting should the drafter ensure is enabled to snap precisely during block placement?

Introduction / Context:
Accurate placement of blocks (doors, fixtures, symbols) depends on snapping to precise geometry such as endpoints, midpoints, and intersections. AutoCAD’s Object Snaps provide this capability and prevent small but consequential misalignments.

Given Data / Assumptions:

• The user is inserting or moving a block.
• Placement must align with existing geometry.
• Snapping aids are available in the CAD environment.

Concept / Approach:
Object Snaps (OSNAP, often colloquially “O Snaps”) allow the cursor to lock onto exact points such as endpoint, midpoint, center, quadrant, and intersection. Enabling running OSNAPs or pressing Shift+Right-Click to choose a one-time snap ensures accurate placement. Other aids like Ortho constrain angles, and Grid provides a visual guide, but neither guarantees geometric coincidence.

Step-by-Step Solution:
Turn on OSNAP (F3) and set appropriate running snaps (e.g., endpoint, intersection).Begin INSERT command and move the cursor near the target feature.Allow OSNAP to acquire the correct snap marker and place the block precisely.

Verification / Alternative check:
Measure distances and check for coincident geometry after placement. With OSNAPs enabled, distances should match expected dimensions exactly; with OSNAPs off, small random offsets often appear.

Why Other Options Are Wrong:

• Ortho: locks to horizontal/vertical but does not snap to endpoints.
• Grid: visual reference only; does not ensure alignment to geometry.
• Dynamic Input: aids in heads-up numeric entry but is not a snapping tool.

Common Pitfalls:
Running too many snaps at once can cause the cursor to acquire unintended points; enable only those needed for the task for clarity and speed.

Final Answer:
O Snaps