Shop Tools
Standalone calculators and utilities for bamboo rod builders.
V-Block Calculator
Waara V-Block conversions for measuring bamboo strips in a 60° V-groove.
Unit Converter
Convert between imperial and metric units used in rod building.
Culm Rounding Calculator
Calculate how much bamboo to remove from a culm to achieve target strip dimensions for planing.
Removing more than 50% of the diameter. Check your inputs.
Strip angle: 60.0°
Outer arc width: 1.0472"
Inner face width: 0.3000"
Required radius: 0.3000"
Amount to remove from diameter: 1.4000"
Cross-Section View
Cubic Spline Interpolation
Enter station data points and compute natural cubic spline interpolation at 1-inch intervals. Uses the same algorithm as the designer.
Position (in)Dimension (in)
0"0.0650
1"0.0679
2"0.0708
3"0.0737
4"0.0768
5"0.0800
6"0.0834
7"0.0870
8"0.0909
9"0.0952
10"0.1000
11"0.1052
12"0.1109
13"0.1170
14"0.1234
15"0.1300
16"0.1368
17"0.1437
18"0.1508
19"0.1579
20"0.1650