From side vIEw, tweak the right-end CV's 锝侊綆锝� rescale them smaller (very small until it looks like they are touching each other) (pic6).
鐢佃剳琛� http://www.computerj.com鎮ㄧ殑濂芥湅鍙嬨��
You could use front view zoom to check it, 锝侊綆锝� then adjust 2 more right CV's 锝侊綆锝� drag to the left, until it looks like this image (pic 7), 锝侊綆锝� then duplicate this cylinder 锝侊綆锝� hide the new one (copied) , errh what is this ?
Duplicate ?... You will know later :)
鍒涘缓涓�涓� Nurbs 鍦嗘煴浣� (spans 涓� 6), 鏃嬭浆 90 搴� , 骞跺皢瀹冪缉灏忕Щ鍔ㄥ埌濡� (fig 5) 鎵�绀猴紝鍒囨崲鍒颁晶瑙嗙獥锛� 鎷変几鏈�鍙虫帓鐨� CV 鐐瑰苟灏嗗叾缂╁埌鐪嬩笂鍘诲悎鎴愪竴鐐逛负姝� .
(pic 6) 浣犲彲浠ュ垏鎹㈠埌鍓嶈绐楀綋涓斁澶ф潵妫�鏌ュ畠锛屾帴鐫�璋冩暣鏈�鍙宠竟鐨勪袱鎺� CV 鐐� ( 鍖呭惈鎴戜滑鎵�缂╁皬鐨勯偅涓�鎺� ) 锛屽苟灏嗗畠浠悜宸︾Щ鍔ㄥ埌濡� (pic 7) 鎵�绀� , 璋冩暣濂藉悗澶嶅埗杩欎釜鏇查潰锛屽苟灏嗗鍒跺嚭鏉ョ殑鏇查潰闅愯棌璧锋潵锛屼负浠�涔� ? 鍚戜笅鐪嬩綘灏变細鏄庣櫧鐨� ...
pic 5
pic 6
pic 7
Now drag the cylinder to the center of the beveled curves (pic 8), now 锝擄絽锝岋絽锝冿綌 your beveled surface, 锝擄絽锝岋絽锝冿綌 your cylinder, then fillet circular it with value of around 0.056 (reverse direction) 锝侊綆锝� then trim it, you will have this cute half hole (pic 9).
灏嗗渾鏌变綋绉诲姩鍒� bevel 鐨勬洸绾夸腑蹇� (pic 8), 鐜板湪 锛嶏紞 閫夋嫨浣� bevel 鍑烘潵鐨勬洸闈� , 鎸� Shift 閿�夋嫨鍦嗘煴浣擄紝鐒跺悗 circular fillet 瀹冧滑锛� circular fillet 鍙栧�肩害涓� 0.056, 瀹屾垚鍚庡瀹冧滑鍒嗗埆 trim, 鎴戜滑鍙互寰楀埌濡� (pic 9).
Remember the one cylinder that we hid before ? Unhide it, rotate it to 180 of y axis, rescale it smaller a little bit, 锝侊綆锝� place it in the center of this new half hole (pic 10).
浣犳槸鍚﹁寰楁垜浠殣钘忕殑閭ｄ釜鏇查潰 ? 鏄剧ず瀹冿紝鍦� y 杞存柟鍚戜笂鏃嬭浆 180 搴� , 灏嗗畠缂╁皬涓�鐐癸紝骞跺皢瀹冪Щ鍔ㄥ埌涓績濡� (pic 10)
pic 8
pic 9
pic 10
Do the same with the bottom left circle corner (pic 11).
