Default Layer Assignment to Objects Reference (AutoCAD Mechanical Toolset)

Mechanical Layers for Hidden Lines

1	Behind	AM_9
2	Behind (extra)	AM_INV
3	Hidden Line, Narrow	AM_3
4	Hidden Line	AM_3
5	Standard Parts: Behind	AM_9N
6	Standard Parts: Hidden Line, Narrow	AM_3N
7	Standard Parts: Hidden Line	AM_3N

Mechanical Layers for Title Block / Border

1	Drawing Border Thin Objects	AM_BOR
2	Drawing Border Objects	AM_BOR
3	Drawing Border Thick Objects	AM_BOR
4	Title Block Thin Objects	AM_BOR
5	Title Block Objects	AM_BOR
6	Title Block Thick Objects	AM_BOR

Mechanical Layers for Calculation

1	Calculation Symbols	AM_5
2	Calculation Thick Objects	AM_4
3	Calculation Thin Objects	AM_4
4	Calculation Very Thick Objects	AM_4
5	FEA: Deformation Mesh	AM_2
6	FEA: Mesh	AM_8
7	FEA: Number of Points	AM_8
8	FEA: Stress	AM_11
9	FEA: Text for Stress	AM_11
10	FEA: Text for Deformation	AM_2

Mechanical Layers for Drafting

1	Auxiliary Line	AM_4
2	Break Line Long (Zig Zag)	AM_4
3	Break Line Short	AM_4
4	Break Out Line	AM_4
5	Centerline	AM_7
6	Centerline, Narrow	AM_7
7	Construction Line	AM_CL
8	Contour 1	AM_0
9	Contour 2	AM_1
10	Contour 3	AM_2
11	Detail Enlargement Border	AM_4
12	Diagonal Cross for Planes	AM_5
13	Hatch	AM_8
14	Hidden Line	AM_3
15	Hidden Line, Narrow	AM_3
16	Hole Circle	AM_7
17	Hole Circle, Narrow	AM_7
18	Section/Viewing Plane Line	AM_10
19	Standard Parts: Centerline	AM_7N
20	Standard Parts: Centerline Narrow	AM_7N
21	Standard Parts: Contour 1	AM_0N
22	Standard Parts: Contour 2	AM_1N
23	Standard Parts: Contour 3	AM_2N
24	Standard Parts: Contour 4	AM_2N
25	Standard Parts: Hatch	AM_8N
26	Standard Parts: Hidden Line	AM_3N
27	Standard Parts: Hidden Line, Narrow	AM_3N
28	Standard Parts: Phantom	AM_11N
29	Standard Parts: Section/Viewing Plane Line	AM_10N
30	Standard Parts: Thread Contour	AM_0N
31	Standard Parts: Thread End at Usable Length	AM_0N
32	Standard Parts: Thread Line	AM_4N
33	Thread Contour	AM_0
34	Thread End at Usable Length	AM_0
35	Thread Line	AM_4
36	Trailing Line	AM_TR
37	Transition Line	AM_4

Mechanical Layers for Dimensioning

1	Dimension Line	AM_5
2	Standard Parts: Dimension Line	AM_5N
3	Text Small	AM_6
4	Text Medium	AM_6

Mechanical Layers for BOM / Symbols

1	Balloon Geometry	AM_5
2	Leader	AM_5
3	Standard Parts: Leader	AM_5N
4	Mechanical Symbols	AM_5
5	Parts List Cell Lines	AM_BOR
6	Parts List Grip Frame	AM_BOR
7	Parts List Outer Frame	AM_BOR
8	Part Reference	AM_PAREF

Mechanical Layers for Standard Parts

1	Standard Parts: Behind	AM_9N
2	Standard Parts: Contour 1	AM_0N
3	Standard Parts: Contour 2	AM_1N
4	Standard Parts: Contour 3	AM_2N
5	Standard Parts: Contour 4	AM_2N
6	Standard Parts: Centerline	AM_7N
7	Standard Parts: Centerline Narrow	AM_7N
8	Standard Parts: Dimension Line	AM_5N
9	Standard Parts: Hatch	AM_8N
10	Standard Parts: Hidden Line, Narrow	AM_3N
11	Standard Parts: Hidden Line	AM_3N
12	Standard Parts: Leader	AM_5N
13	Standard Parts: Non-plottable Objects	AM_12N
14	Standard Parts: Phantom	AM_11N
15	Standard Parts: Thread Contour	AM_0N
16	Standard Parts: Thread Line	AM_4N
17	Standard Parts: Thread End at Usable Length	AM_0N
18	Standard Parts: Section/Viewing Plane Line	AM_10N

Mechanical Layers for Text

1	Text Large	AM_6
2	Text Medium	AM_6
3	Text Small	AM_6
4	Text Very Large	AM_6
5	Text Very Small	AM_6

Mechanical Layers for Non-plottable Objects

1	Non-plottable Objects	AM_12
2	Part Reference	AM_PAREF
3	Standard Parts: Non-plottable Objects	AM_12N
4	Viewport	AM_VIEWS