Three Twisted Ribbons

Contents to Sections Below:
Three Ribbons: 30°/120°

292 Floor border: P292 Prospect Park South 1908
84 Floor border: P084 Midwood Park 1907
Three ribbons (oak, maple, cherry) in braid, or basketweave. Mahogany feature strips and border background. This is the same as #33 below. Inner field is 2" slats laid diagonally.
301 Floor border: P301 Midwood Park 1910
Inner border pattern is 6" wide. Surrounded with 1" oak, 1/2" mahogany, and 1-1/2" oak. Inner field is straight fingerblock with 2" strips in a 12" square.
58 Floor border: P058 Prospect Lefferts Gardens 1913
Three ribbons (oak, maple, cherry) in braid, or basketweave. Mahogany feature strips and border background. Use 3-Ribbons-30/120 spreadsheet. [Strip height: 2-1/8", Width: 4-3/4"] Corner dimensions are different (and spreadsheet needs enhancing).
33 Floor border: P033 Midwood Park 1907-1908
Three ribbons (oak, maple, cherry) in braid, or basketweave. Mahogany feature strips and border background. Border width of the pattern is 6". Feature stripes are oak: 1-1/2", mahogany: 1/2", oak: 1". They look unbalanced. See spreadsheet.
145 Floor border: P145 Park Slope Historic District 1891
Mahogany bands are 1/2" wide. In between is 11/16". Distance between peaks is 5-5/6". Pattern width is 7-7/8". Surrounding is a 2" band. Inner field is 2" strips in 12" fingerblock.

Three Ribbons: 90°

108 Floor border: P108 Midwood Park Historic District 1904
A very lovely border with four woods. Overall pattern border is 7.78", with 2" of oak and 1-3/8" of mahogany surround it. The inner squares may actually be two right triangles. Pieces can be calculated in the 3-Ribbons-90 spreadsheet by setting C to zero, and A and D to 1.375". Surrounding is 2" quarter sawn oak, 1-3/8" mahogany, and 2" plain sawn oak. The inner field is 2" diagonal slats.
24 Floor border: P024 Park Slope Mansion 1900
Three twisted ribbons. It sticks with 45° angles and has the triple stripe bands. I created a spreadsheet that calculates the piece sizes, though I don't know the size pictured here.