26
T H E B I G S PA C E
B A L LO O N
? ? SPACE BALLOON? ???????????????????????????????????
University Laser Sintered Aircraft)
plane is an unmanned air vehicle
(UAV) whose entire structure has
been printed, including wings,
integral control surfaces and
access hatches. It was printed on
a fraction of a milometer into the
At the end of the process the
box, another thin layer of powder
box is full of both Nylon powder
is then spread across F?R?B??b??W"&??FVB?&?V7B?6?W?6W70??f?&??F?R?6W"F?V?gW6W2F??2?Wr?vFW"?2F?V?f7WV?VB?fbF???vFW"F?F?RW??7F??r6V7F???F???&WfV?F?R?&?V7B?F??2?vFW ??f?&??Wr6V7F?????F??F?7F'@??6?F?V?&R&R?W6VBf?"?Wr6@??'V??F??rWF?R?&?V7B??&?V7G2?F??2&?6W72?2&WVFVB?V???(
?F??2?WF??B?b4B&??B??F??RF??W2V?F????R?fR7&VFV@????rv2W6VB'?FV?@????W"4B?&?V7Bb??"F?R?Ff?&?6?WF??F??V??fW'6?G?F?'V??@??2&V6?VBF?R&?GF???bF?RF?Rv?&?G2&?vvW7B4B&??FV@?6??F??W"&???v?FW"?F?R5T?4?6?WF??F???5?44?T?4R?t??DU"#2?#@???T?2T?4??Bs3??????6W ?6??FW&??r?6???R?v??6?f'&?6FW2?7F?2?"?WF??&?V7G2??'V??F??rWF?R?FV???W"'????W"?66?V?F?f?2&W6V&6??F?R&??V7B6???VgV??&P?W6VBf?"&?vR?b76R&V?FV@??WW"F??7?W&R&W6V&6??'W@?2?WB?( ????B&?RF?FWF??F?W6P?2?G2?WBF?&RFV6?FVB??'WBF?W6R6?V?B??6?VFP???