diff --git a/examples/text_tower.scad b/examples/text_tower.scad new file mode 100644 index 00000000..5067a068 --- /dev/null +++ b/examples/text_tower.scad @@ -0,0 +1,61 @@ +include ; +include ; +include ; +include ; +include ; + +tx = "3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248912279381830119491298336733624406566430860213949463952247371907021798609437027705392171762931767523846748184676694051320005681271452635608277857713427577896091736371787214684409012249534301465495853710507922796892589235420199561121290219608640344181598136297747713099605187072113499999983729780499510597317328160963185950244594553469083026425223082533446850352619311881710100031378387528865875332083814206171776691473035982534904287554687311595628638823537875937519577818577805321712268066130019278766111959092164201989"; +font_name = "Liberation Sans:style=Bold Italic"; +radius = 60; +height = 150; +thickness = 2; + +module text_tower(tx, font_name, radius, height, thickness) { + + font_size = 2 * PI * radius / $fn; + angle_step = 360 / $fn; + half_angle_step = angle_step / 2; + half_thickness = thickness / 2; + + module body() { + points = helix( + radius = radius, + levels = height / font_size, + level_dist = font_size, + vt_dir = "SPI_DOWN" + ); + for(i = [0:len(points) - 1]) { + translate(points[i]) + rotate([90, 0, 90 + angle_step * i]) + linear_extrude(thickness, center = true) + text( + tx[i], + font = font_name, + size = font_size, + halign = "center" + ); + } + + rotate(-half_angle_step) + helix_extrude( + [ + [thickness, half_thickness], + [-thickness, half_thickness], + [-thickness, -half_thickness], + [thickness, -half_thickness] + ], + radius = radius, + levels = height / font_size + 1, + level_dist = font_size, + vt_dir = "SPI_DOWN" + ); + } + + translate([0, 0, -font_size - half_thickness]) + body(); + rotate(-half_angle_step) + translate([0, 0, -font_size - thickness]) + cylinder(h = font_size, r = radius + thickness); +} + +text_tower(tx, font_name, radius, height, thickness, $fn = 24); \ No newline at end of file