Exhibit 10.11


 


 





June 20, 2014


 


Ms. Amanda Cola


24 Sonrisa Trail


Santa Fe, NM 87506


 


		Re:	Employment Offer: Business Operations Manager



 


Dear Ms. Cola,


 


I am pleased to offer you a 1-year, limited-term position as
the Business Operations Manager with Sigma Labs, Inc., effective on July 21, 2014. Your annual salary will be in the amount of
$90,000 and you will be paid bi-monthly on an exempt basis. You will be exempt from minimum wage and overtime pay requirements
and you will report to the Board of Directors of Sigma Labs, Inc. Our employment relationship will be terminable at-will, which
means that either you or Sigma Labs, Inc. may terminate your employment at any time and for any reason.


 


As a regular full-time employee, you are eligible to receive
medical, dental, life, short & long-term disability, participate in the Section 125 Cafeteria Plan, vision plan, accrue annual
leave and receive holiday benefits. If you elect insurance benefits, please return all paperwork to me no later than your start
date for coverages to begin at the earliest possible date. Please note that all insurance coverages are based upon meeting the
insurance company’s enrollment requirements. If you choose not to elect any of the coverages, you will need to complete
a waiver form, which will be provided.


 


Sigma Labs has a Stock Incentive Plan and wants to acknowledge
the key nature and value of your position to the long term success of the company by granting you two (2) million shares of common
stock (“Stock”). The shares of stock will vest in accordance with the following schedule: (i) 25% of the shares of
Stock will vest immediately upon execution of the Letter Agreement for Grant of Restricted Stock; and (ii) provided you are in
the employ of the company at each of the following dates, 25% of the shares of Stock will vest of July 21, 2015, 2016 and 2017
(collectively, the “Unvested Shares”).


 


Regarding location of your assigned position, Sigma Labs recognizes
that you will execute the primary duties of your position at its offices located at 100 Cienega Street, Suite C, Santa Fe, NM 87501.


 


If you have questions concerning the terms stated in this letter,
please let me know. Otherwise, please note your acceptance of this offer by signing in the space provided below. Upon completion,
please PDF and send it to me via email no later than June 30, 2014. Please mail all original documentation to the address provided
below. Nothing written in this letter changes our at-will employment relationship either implied, in writing or orally into a contract.


 






    	 		 



     


    

   


I sincerely hope that you find the terms of this offer to be
acceptable, and we look forward to a mutually rewarding association.


 


Sincerely,


 


/s/ Michael M. Thacker


 


Michael M. Thacker


Director and Secretary


 


 


 


Attachment: Letter Agreement for Grant of Restricted Stock


 


 


Position Accepted By:


 





	/s/ Amanda L. Cola	 	7-18-14
	Amanda L. Cola	 	Date



 






    	 		 



     


    

   


July 21, 2015


 


Ms. Amanda Cola


24 Sonrisa Trail


Santa Fe, NM 87506


 


		Re:	Conversion from Limited-Term Position to Regular
Full-Time Position



 


Dear Ms. Cola,


 


I am pleased to notify you that the Board of Directors has approved
converting your position as Business Operations Manager for Sigma Labs from a limited-term position to a regular full-time position
effective on July 21, 2015.


 


You will continue to report to the Board of Directors of Sigma
Labs.


 


I sincerely look forward to a continued and mutually rewarding
association.


 


Sincerely,


 


/s/ Michael M. Thacker


 


Michael M. Thacker


Director and Secretary