3dprinting, solidworks f(0,0,0) is 0, not 1 (the isosurface level), so you only get points drawn completing the cones if there are enough points near the origin that happen to have value 1 But when you switch to linspace(,,), the closest coordinates to the origin are at about 105, leaving a gap of about 21For example `tick0` = 01, `dtick` = "L05" will put ticks at 01, 06, 11, 16 etc To show powers of 10 plus small digits between, use "D1" (all digits) or "D2" (only 2 and 5) `tick0` isGraph the parabola, y =x^21 by finding the turning point and using a table to find values for x and y The 3rd Joint Symposium Of The International And National Neurotrauma Societies And ns Cns Section On Neurotrauma And Critical Care August 11 16 18 Toronto Canada Journal Of Neurotrauma Plot x2 (y-^x)2=1 manosi