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Single Folded Ribbon: Flattened

Contents to Sections Below: Next group: Two Folded Flattened Ribbons

Zig-Zag Fold: Helix

23 Floor border: P023 Lefferts Manor 1909 
See measured drawing. I created a spreadsheet to calculate piece dimensions. Woods are mahogany (or is it cherry?), maple, and quarter-cut American white oak. The field wood here is diagonal fingerblocks of nine strips of 1-3/8" × 12-3/8". Note when wood strips are only 1-3/8" wide, they only get a single nail across.
200 Floor border: P200 Ditmas Park West Year? 
Pattern border is 3-7/8" wide. Bands are 2-3/4" wide. Surrounding is 1" mahogany and 1/2" oak. Inner field is straight fingerblock with 1-1/4" slats in a 12" square.
91 Floor border: P091 Crown Heights South 1913 
This is the same pattern as the previous. And the same dimensions in its spreadsheet. Inner field is fingerblock parquet with 2" wide slats in a 12" square.
83 Floor border: P083 South Midwood 1897 
Unfortunate seam. In Flattened Helix spreadsheet enter 2.75" for the width of strips, and 7/8" and 3/8" for the height of the trapezoids. But this is not really the same as the above. This has single blocks [which have split] for when the ribbon is showing its back. Inner field is fingerblock laid straight with 1" slats in a 12" square. Outer field is 2" wide random length slats.
130 Floor border: P130 Oshkosh Designs 2015 
Custom made for Park Slope kitchen. Oak, maple and American cherry. There should have been an oak slat between the border and inner field, but it was forgotten at installation. The second mistake made was stainless steel nails were inadvertantly purchased and used. Now the nails will stay shiny, and they shouldn't. The third mistake is the corner block triangles should be a mix of oak and maple. Inner field is diagonal fingerblock with 1-3/4" wide slats in 8-3/4" squares.
120 Floor border: P120 Crown Heights South 1913 
Pattern border is 2-7/8" wide. Rectangles in pattern are 1-3/8" × 2-5/8". Side border strips are 1-5/8". Can use Flattened Helix spreadsheet. Inner field is 1-3/8" slats in 8-1/4" fingerblock.

Zig-Zag Fold: Alternate Folds

124 Floor border: P124 West Midwood 1908 
Pattern border is 3" wide with 1-1/2" strip alongside. The ribbon pieces are all the same size here.

Folded From Side-to-Side

166 Floor border: P166 South Midwood Year? 
Very unusual to have a striped ribbon. Nice for a change, though it kind of fades away Maybe better if the ribbon colors were reversed. Mahogany strip is 1/4". Maple sides are 9/16". Giving a total ribbon width of 1-3/8". Pattern border width is 5-1/4". Surrounded by 1-3/8" oak, 1/2" mahogany, 2" oak. Inner field is 2" slats in diagonal 8" fingerblock.
7 Floor border: P007 Bushwick 1897 
Three woods: mahogany, maple and oak. See measured drawings. I have a spreadsheet that calculates the sizes of all pieces based on a given strip width. Inner field is fingerblock parquet in 12" square.
44 Floor border: P044 North Park Slope 1880 
This ribbon is the same as Side-to-Side spreadsheet. Enter 1.5 for the width and 5.25 for the height. The direction of the fold is just reversed. Inner field is fingerblock parquet with 2" wide fingers.
43 Floor border: P043 North Park Slope 1880 
A smaller version. This floor (and the other from this house) may have been added a couple decades later. This ribbon can be calculated from Side-to-Side spreadsheet by entering 0.875 for the width, 2.625 for the height, and =13/16 for the corner strip width. This gives a ribbon width of 4-3/8" and a corner/border size of 6". Inner field is fingerblock parquet with four 2" fingers in 8" square.
229 Floor border: P229 Bedford-Stuyvesant Year? 
The overall border, including side bands, is 6" wide. Inner rectangle is 7/8" × 2-5/8", or a 1:3 ratio. All banding in the border is 7/8" wide. Inner field is diagonal fingerblock with 2" slats in a 8" square.
105 Floor border: P105 Stuyvesant Heights Historic District 1899 
The border's inner rectangles are 1" × 2". Inner field is diagonal fingerblock with 1-1/2" wide slats in a 6" square.

Folded From Side-to-Side: Corners Without Bullseye: Center Quartered

16 Floor border: P016 Crown Heights North 1910 
Compared to the above, this one has narrowed the width of the ribbon, and exaggerated the feature strips, which are unique here. This ribbon can be calculated from Side-to-Side spreadsheet by entering 1.5 for the width and 3.5 for the height. The mahogany bands are 7/8" and the oak between them is 1-3/4". The field wood here has 1-3/8" strips that are perpendicular to the borders and mitered towards the center.
72 Floor border: P072 Midwood Park 1905 
Strip width is 1-3/4". Ratio is 3. Note uncommon banding around pattern here.
86 Floor border: P086 South Midwood 1901 
The ribbon is 1-1/2" wide. Inner rectangle is 3-3/8" high. Feature strips are 1", 1/2" (mahogany), 1-5/16".
111 Floor border: P111 Park Slope 1909 - Apartment.
Pattern inner block is 1-1/2" × 3". Border is 1", 1/2' and 1-1/2" strips. Inner field is 1-1/2" slats in 12" fingerblock.

Folded From Side-to-Side: Corners Without Bullseye: Center Halved

202 Floor border: P202 Park Slope Historic District 1890 
Pattern border is 6". Ribbon is 1-1/2" wide. Ratio is 2. Surrounding is 1", 1/2" mahogany, and 1-1/2" Inner field is diagonal fingerblock with 2" slats in 12" square.
79 Floor border: P079 Lefferts Manor 1899 
They had this folded pattern in all the major rooms. Bands are 1-1/2" wide and ratio is 2. This is the same as the next one. And near it in year.
94 Floor border: P094 Crown Heights South 1913 
Inner rectangle is 1-1/2" × 3". Inner field is diagonal fingerblock with 2" slats in 12" squares.
88 Floor border: P088 Prospect Heights Historic District 1901 
Inner rectangle is 1-1/2" × 3", giving a pattern width of 6". Side strips are usual 1" oak, 1/2" mahogany, 1-1/2" oak, but then here there is then a 1-1/2" strip of mahogany surrounding the border and corner. Inner field is fingerblock parquet using 1-1/2" wide slats in a 12" square.
113 Floor border: P113 Beverly Square West 1902 
Pattern inner block is 1-1/2" × 3". Border is 1", 1/2' and 1-1/2" strips. Inner field is 1-3/4" slats in fingerblock.
132 Floor border: P132 Central Park Slope 1901? 
Dimensions are the same as #88, but this lacks the extra bold stripes. Inner field is 1-1/2" strips in 7-1/2" fingerblock.

Folded Into Circles

This is the JP Morgan Chase logo.

168 Floor border: P168 Fiske Terrace 1908 
Center square is 2". Border width is three times that and repeat is four times that.
36 Floor border: P036 Midwood Park 1907-1908 
Center square is 2". Border width is three times that and repeat is four times that. Note that not all circles here are true folds. When correct the woods alternate as you go around a circle. As seen here, in the outer circles, but not the inner two.

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