Don't know what is "better quality"

If you do engineering 3D, you need decent CPU and at least moderate discrete GPU.
But taper your expectation due to your budget.
Acer
V5-473PG-54204G50, i5-4200U + Nvidia GT740M +(1366x768;touch)@RM2299, 4GB, 500GB,W8 *no OD
Asus
PRO45VJ-V0047X, i5-3230M + Nvidia GT635M@RM2399[2.4kg], 4GB, 500GB, W7P
K451LB-WX071H, i5-4200U + Nvidia GT740M@RM2199, 4GB, 750GB, W8
S551LB-CJ120H, i5-4200U + Nvidia GT740M@RM2699[2.4kg], 4GB, 750GB, W8, 3-cell
Dell
Inspiron 14R, i5-4200U + Nvidia GT740M@RM1849 [2.32kg], 4GB, 500GB(5400rpm), Linux, 6 cell; W8@RM2049
Inspiron 14R, i7-4500U + Nvidia GT750M (GDDR5) @RM2499[2.32kg], 8GB, 1TB(5400rpm), Ubuntu 12.04 , 6 cell; W8SL@RM2699
Inspiron 15R, i7-4500U + AMD HD8850M (GDDR5) @RM2499[2.32kg], 8GB, 1TB(5400rpm), Linux, 65WHr; W8SL@RM2699
HP
Pavilion 14-N059TX, i5-4200U + Nvidia GT740M@RM1999[2.03kg], 4GB, 750GB, W8
ProBook 440 G1, i5-4200M + AMD HD8750M + (1366x768, anti-glare)@RM2499[2.1kg], 4GB, 500GB (7200rpm), W7P/W8P, 47WHr, spill-resistant keyboard
Lenovo
V480, i5-3230M + Nvidia GT740M@RM2305, 4GB,500GB(5400rpm), W7P
Z400 touch, i5-3230M + Nvidia GT740M + (1366x768, touch)@RM2199, 4GB, 1TB, W8; 2 years warranty
Z400 touch, i7-3632QM + Nvidia GT740M + (1366x768, touch)@RM2599, 4GB, 1TB, W8; 2 years warranty
Z510, i5-4200M + Nvidia GT740M@RM2399[2.2kg], 4GB, 1TB, backlit, W8; 2 yrs
Sony
Vaio SVF14318SG, i5-4200U + Nvidia GT740M + (1366x768;touch)@RM2399, 4GB, 500GB, W8SL
Toshiba
Satelite L40-AS125XG/B/W, i5-4200U + Nvidia GT740M@RM2299[Onkyo], 2GB, 750GB, 3 years local warranty, W8
Satelite L50-A107X/XW, i5-4200U + Nvidia GT740M@RM2499[Onkyo], 4GB, 1TB, W8
Prices are RSP, negotiable.
Sorry. Should have elaborate more on "better quality". Currently I am using 5 years old Dell Inspiron 14. I dont like the not solid feel of the laptop, prefer brand comes with better built which can last me for few years usage without much problem. How is I raise up the budget to RM3k?
Thanks.