From 70df0ba7e5e7bcaec72a4adf1e36ad2195d9ffff Mon Sep 17 00:00:00 2001 From: Ian Jackson Date: Mon, 9 Oct 2017 02:03:52 +0100 Subject: [PATCH] poster-tube-lid: convert to oring: provide oring_oblate --- poster-tube-lid.scad | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad index 33d008f..ba3fc60 100644 --- a/poster-tube-lid.scad +++ b/poster-tube-lid.scad @@ -50,8 +50,10 @@ bayo_inramp_z = bayo_entry; oring_mid_dia = oring_bore + oring_thick; oring_outer_dia = oring_mid_dia + oring_thick; -oring_y_rad = oring_thick/2 * (1 - oring_compress); -oring_x_rad = oring_thick/2 / (1 - oring_compress); +oring_oblate = (1 - oring_compress); + +oring_y_rad = oring_thick/2 * oring_oblate; +oring_x_rad = oring_thick/2 / oring_oblate; seal_thick = oring_y_rad * (1 + cos(oring_upper_embed_angle)); -- 2.30.2