Cell Division - 24 bytes

Duplicator.huff

#define constant CNSTR_CODE = 0x601834818180333cf3
#define constant CNSTR_CODE_SIZE = 0x9
#define constant CNSTR_CODE_OFFSET = 0x17 // 0x20 - [CNSTR_CODE_SIZE]

#define macro MAIN() = takes(0) returns(0) {
  [CNSTR_CODE_SIZE] [CNSTR_CODE_OFFSET] // [cc_offset, cc_size]
  returndatasize                        // [0, cc_offset, cc_size]
  [CNSTR_CODE] dup2 mstore              // [0, cc_offset, cc_size]
  dup3 dup3 dup3 create                 // [addr1, 0, cc_offset, cc_size]
  pop create                            // [addr2]
  selfdestruct
}

DuplicatorConstructor.huff

#define constant PARENT_SIZE = 0x18
#define macro MAIN() = takes(0) returns(0) {
  [PARENT_SIZE] callvalue // [0, size]
  dup2 dup2 dup1 caller   // [msg.sender, 0, 0, size, 0, size]
  extcodecopy             // [0, size]
  return
}