6 Sided Polygon

6 Sided Polygon Rafter Table ( 6 - gon )

central angle = 60°
working angle = 30°
plan angle = 60°
miter angle = 6.93 & 12 (30.00°)
hip run per foot = 13.86
apothem multiplier = 1.15470
side wall multiplier = 1.15470

Pitch	Roof Angles		Frieze Block Angles		Hip Rafters					Jack Rafters
Pitch	Roof Pitch Angle	Hip Pitch Angle	Angle	Saw Bevel	Side Cut Angle	Backing Angle	Hip Drop 2x	Hip Drop 4x	Length Per-FT	Side Cut Angle	First 12” O.C.	First 16” O.C.	First 24” O.C.	Spaced 12” O.C.	Spaced 16” O.C.	Spaced 24” O.C.	Multiplier
0	0.00	0.00	0	30	30.00	0.00	0.00	0.00	13.86	30	21.88	28.81	42.67	20.78	27.71	41.57	1.73205
1	4.76	4.13	2.75	29.89	29.94	2.38	0.03	0.07	13.89	29.91	21.96	28.91	42.82	20.86	27.81	41.71	1.73805
2	9.46	8.21	5.42	29.55	29.74	4.72	0.06	0.15	14.00	29.66	22.18	29.21	43.26	21.07	28.10	42.14	1.75594
3	14.04	12.22	7.97	29.02	29.44	6.97	0.09	0.22	14.18	29.25	22.56	29.70	43.98	21.42	28.57	42.85	1.78536
4	18.43	16.10	10.35	28.32	29.02	9.10	0.12	0.29	14.42	28.71	23.07	30.37	44.98	21.91	29.21	43.82	1.82574
5	22.62	19.84	12.52	27.49	28.51	11.09	0.16	0.36	14.73	28.05	23.71	31.21	46.22	22.52	30.02	45.03	1.87639
6	26.57	23.41	14.48	26.57	27.92	12.92	0.19	0.44	15.10	27.31	24.47	32.21	47.70	23.24	30.98	46.48	1.93649
7	30.26	26.80	16.22	25.59	27.26	14.59	0.22	0.51	15.52	26.51	25.33	33.35	49.40	24.06	32.08	48.12	2.00520
8	33.69	30.00	17.76	24.58	26.57	16.10	0.25	0.58	16.00	25.66	26.30	34.63	51.28	24.98	33.31	49.96	2.08167
9	36.87	33.00	19.11	23.58	25.84	17.46	0.28	0.66	16.52	24.79	27.35	36.01	53.33	25.98	34.64	51.96	2.16506
10	39.81	35.82	20.28	22.59	25.09	18.67	0.31	0.73	17.09	23.92	28.48	37.50	55.54	27.06	36.07	54.11	2.25462
11	42.51	38.44	21.31	21.63	24.33	19.75	0.34	0.80	17.69	23.05	29.69	39.08	57.88	28.20	37.59	56.39	2.34965
12	45.00	40.89	22.21	20.70	23.58	20.70	0.37	0.87	18.33	22.21	30.95	40.74	60.34	29.39	39.19	58.79	2.44949
13	47.29	43.17	22.99	19.82	22.83	21.56	0.41	0.95	19.00	21.39	32.26	42.48	62.91	30.64	40.86	61.29	2.55359
14	49.40	45.30	23.67	18.99	22.10	22.31	0.44	1.02	19.70	20.59	33.62	44.27	65.56	31.94	42.58	63.87	2.66145
15	51.34	47.27	24.27	18.20	21.39	22.98	0.47	1.09	20.42	19.83	35.03	46.12	68.30	33.27	44.36	66.54	2.77263
16	53.13	49.11	24.79	17.46	20.70	23.58	0.50	1.17	21.17	19.11	36.47	48.02	71.11	34.64	46.19	69.28	2.88675
17	54.78	50.82	25.25	16.76	20.04	24.11	0.53	1.24	21.93	18.42	37.95	49.96	73.99	36.04	48.06	72.08	3.00347
18	56.31	52.41	25.66	16.10	19.40	24.58	0.56	1.31	22.72	17.76	39.45	51.94	76.92	37.47	49.96	74.94	3.12250
19	57.72	53.90	26.02	15.49	18.79	25.01	0.59	1.39	23.52	17.13	40.98	53.95	79.90	38.92	51.90	77.85	3.24358
20	59.04	55.28	26.34	14.91	18.20	25.39	0.62	1.46	24.33	16.54	42.53	56.00	82.93	40.40	53.86	80.80	3.36650
21	60.26	56.58	26.62	14.36	17.64	25.73	0.66	1.53	25.16	15.98	44.11	58.07	86.00	41.89	55.86	83.79	3.49106
22	61.39	57.80	26.88	13.85	17.10	26.04	0.69	1.60	26.00	15.45	45.70	60.17	89.10	43.41	57.87	86.81	3.61709
23	62.45	58.93	27.11	13.37	16.59	26.31	0.72	1.68	26.85	14.95	47.31	62.28	92.24	44.93	59.91	89.87	3.74444
24	63.43	60.00	27.31	12.92	16.10	26.57	0.75	1.75	27.71	14.48	48.93	64.42	95.41	46.48	61.97	92.95	3.87298

Framing Square usage Example: 8:12 Pitch
(Rafter Length Per Ft = 14.42) (Hip Rafter Length Per Ft = 16.00)
SS Angle = Speed Square Angle
Saw Angle produces compound Speed Square Angle

Tongue (8.00) Blade (12.00) for Rafter Plumb Cut Angle (SS Angle 33.69)
Tongue (12.00) Blade (8.00) for Rafter Level Cut Angle (SS Angle 56.31)

Tongue (8.00) Blade (13.86) for Hip Rafter Plumb Cut Angle (SS Angle 30.00)
Tongue (13.86) Blade (8.00) for Hip Rafter Level Cut Angle (SS Angle 60.00)

Tongue (8.00) Blade (16.00) for Hip Side Cut Angle (SS Angle 26.57) (Saw Angle 60.00)
Tongue (4.62) Blade (16.00) for Hip Backing Angle (SS Angle 16.10)

Tongue (6.93) Blade (14.42) for Jack Rafter Side Cut Angle (SS Angle 25.66) (Saw Angle 60.00)

Tongue (4.62) Blade (14.42) for Purlin Rafter Plumb Cut Angle (SS Angle 17.76) (Saw Angle 16.10)
Tongue (6.93) Blade (14.42) for Purlin Rafter Cross Cut Angle (SS Angle 25.66)

Tongue (4.62) Blade (14.42) for Roof Sheathing Plumb Cut Angle (SS Angle 17.76) (Saw Angle 16.10)
Tongue (6.93) Blade (14.42) for Roof Sheathing Cross Cut Angle (SS Angle 25.66)

Tongue (8.00) Blade (12.00) for Miter Box Gable Mould Plumb Cut Angle (SS Angle 33.69)
Tongue (8.00) Blade (13.86) for Miter Box 2 Cord Polygon Gable Mould Hip Plumb Cut Angle (SS Angle 30.00)
Tongue (6.93) Blade (12.00) for Miter Box 2 Cord Polygon Gable Mould Hip Cross Cut Angle (SS Angle 30.00) (Saw Angle 30.00)

Tongue (4.62) Blade (14.42) for Frieze Block Plumb Cut Angle (SS Angle 17.76)
Tongue (6.93) Blade (14.42) for Frieze Block Cross Cut Angle (SS Angle 25.66) (Saw Angle 24.58)

Tongue (4.62) Blade (14.42) for Square Cut Fascia Plumb Cut Angle (SS Angle 17.76)
Tongue (6.93) Blade (14.42) for Square Cut Fascia Cross Cut Angle (SS Angle 25.66) (Saw Angle 24.58)

Tongue (1.60) Blade (6.93) for Hip Rafter Square Cut Fascia Plumb Cut Angle (SS Angle 7.59)
Tongue (6.93) Blade (14.42) for Hip Rafter Square Cut Fascia Cross Cut Angle (SS Angle 25.66) (Saw Bevel Angle 24.58)