robot arm 3d model

// MeArm Style Skeletal Robot Arm // Designed for 4x SG90 Servos $fn = 32; // --- Dimensions --- s_w = 12.5; s_d = 23; s_h = 24; wall = 2.5; // 1. የሰርቮ ሞተር መያዣ (Servo Holder as seen in image_93f256.png) module servo_mount_frame() { difference() { // ዋናው ፍሬም cube([s_d + 8, s_w + 4, 15]); // ሞተሩ የሚገባበት ቀዳዳ translate([4, 2, -1]) cube([s_d, s_w, 20]); // የሞተር ብሎን ቀዳዳዎች translate([2, s_w/2 + 2, 7.5]) rotate([0,90,0]) cylinder(h=s_d+10, d=2); } // Preview servo (ሰማያዊው ሞተር እንዲታይ) %translate([4, 2, 0]) color("blue", 0.5) cube([s_d, s_w, s_h]); } // 2. ቀጭን ክንድ (Skeletal Arm Link) module thin_link(len) { difference() { // ዋናው ቅርጽ union() { cylinder(h=4, d=12); translate([0, -6, 0]) cube([len, 12, 4]); translate([len, 0, 0]) cylinder(h=4, d=12); } // መገጣጠሚያ ቀዳዳዎች cylinder(h=6, d=4, center=true); translate([len, 0, 0]) cylinder(h=6, d=4, center